Main Capital Partners announces a majority investment in Lux Scientiae, Incorporated (‘LuxSci’), a leading provider of healthcare-focused secure communications and secure hosting solutions. The investment reflects Main’s commitment to the healthcare market and desire to build robust, international software groups.
Founded in 1999, LuxSci is a leading American provider of HIPAA-compliant secure communications and secure hosting solutions. LuxSci’s application and infrastructure software enables organizations to securely deliver personalized sensitive data at scale. Certified by HITRUST to support customers with HIPAA compliance requirements, LuxSci serves dozens of healthcare enterprises and hundreds of middle-market organizations. Customers include providers, healthcare IT firms, medical device manufacturers, and companies active in other highly regulated industries.
With the strategic support of Main, LuxSci will strengthen its market position and its capabilities to meet the complex needs of modern healthcare organizations. In addition to fostering organic growth in the North American market, LuxSci and Main will explore opportunities for strategic acquisitions to expand the product portfolio and accelerate internationalization.
Erik Kangas (PhD), Founder & CEO of LuxSci, expressed his enthusiasm for the partnership, stating: “Having led LuxSci through 23 profitable bootstrapped years, I am extremely excited to partner with Main. Their resources and expertise will enable us to expand our technology and deepen our market penetration at a time when the demand for high-security communications solutions has never been greater.”
Jeanne Fama (PhD, MBA), COO & CSO of LuxSci, adds: “We are excited about the partnership’s potential to increase the awareness and adoption of LuxSci’s communication solutions and potentiate their impact in healthcare organizations seeking to improve clinical and business outcomes and increase patient satisfaction and loyalty.”
Main has demonstrated strong performance in both the healthcare and security markets, evidenced by investments such as Enovation (connected care solutions with over 350 employees across Europe) and Pointsharp (security and identity access management software with over 200 employees in Northwestern Europe). Main will leverage its experience and network in these markets to support LuxSci in its continued growth.
Daan Visscher, Co-Head of Main Capital North America, concludes: “We are thrilled to partner with the LuxSci team in spearheading the company’s next phase of growth. We are impressed by LuxSci’s double-digit recurring revenue growth, the underlying product, the management team’s capabilities, and the unwavering commitment to customers. We see ample opportunities to drive value through honing operational excellence, accelerating organic growth, and executing select strategic acquisitions. The result will be a robust, international software group positioned to meet the evolving needs of healthcare organizations.”
Pagemill Partners, the tech investment banking division of Kroll, served as financial advisor to LuxSci and Cooley LLP acted as legal advisor to LuxSci. Morse, Barnes-Brown & Pendleton, PC acted as legal advisor to Main.
About LuxSci
LuxSci is a leading provider of highly scalable secure communications and secure hosting solutions. Certified by HITRUST, LuxSci helps organizations navigate complex HIPAA regulations and safeguard sensitive data. LuxSci serves nearly 2,000 customers across healthcare and other highly regulated industries.
About Main Capital Partners
Main Capital Partners is a leading software investor active in Northwestern Europe and North America. Main has over 20 years of experience in software investing and works closely alongside management teams to achieve sustainable growth. Main has 70 employees operating out of its offices in The Hague, Stockholm, Düsseldorf, Antwerp, and Boston. Main has over EUR 2.2 billion in assets under management and maintains an active portfolio of over 40 software groups. The underlying portfolio employs over 12,000 employees.
Secure email is not the same as “email with encryption turned on.” True secure email requires enforced automated encryption, a signed BAA, access controls, audit logs, and documented processes — not just a feature toggle.
Standard email platforms like Gmail and Microsoft 365 rely on opportunistic TLS by default, which can silently fall back to unencrypted delivery if the recipient’s server doesn’t support encryption.
HIPAA’s encryption safe harbor means a misdirected but properly encrypted email is a non-event. The same email sent unencrypted is a presumed breach unless a risk assessment shows otherwise.
A signed Business Associate Agreement (BAA) with your email provider is non-negotiable — without one, you cannot legally send or store PHI through that provider.
The proposed 2025 HIPAA Security Rule update, planned for finalization in 2027, would make encryption of ePHI in transit and at rest a mandatory requirement rather than “addressable,” raising the stakes for organizations still relying on opportunistic TLS.
Best for: Healthcare IT Directors, Compliance Officers, Privacy Officers, and Marketing Managers at provider, payer, and supplier organizations that handle protected health information (PHI).
In healthcare IT, the term “secure email” gets thrown around loosely. Vendors slap the label on anything with a padlock icon, and internal teams often assume that because their provider offers TLS, they’re covered. They’re not, and the gap between what’s assumed and what’s actually required is where data breaches occur and HIPAA violations happen.
This guide breaks down exactly what secure email means from a technical and regulatory standpoint, why the email platform your staff uses every day probably isn’t compliant out of the box, and what to look for when evaluating a provider that needs to protect PHI at scale. If you want the full picture of what compliance requires beyond email specifically, our HIPAA Compliance Checklist is a useful companion read.
What Is Secure Email?
Secure email refers to an email system that protects the confidentiality, integrity, and availability of message content — specifically PHI — through a combination of technical safeguards and contractual protections. It’s not a single feature. It’s a stack of controls working together.
At minimum, secure email in a healthcare context includes:
Enforced encryption in transit, so messages can’t fall back to plaintext delivery
Encryption at rest, so stored messages remain protected on the server
Authentication protocols (SPF, DKIM, DMARC) that prevent spoofing and impersonation
Access controls and audit logs that track who accessed what, and when
A signed Business Associate Agreement (BAA) with the email provider
The distinction that trips up most organizations is this: encryption is a component of secure email, not the whole picture. A provider can offer encryption and still fail to meet HIPAA requirements if that encryption isn’t enforced, if there’s no BAA in place, or if audit logging doesn’t exist. Secure email is the combination of all these pieces functioning as a system, which is why it needs to be evaluated holistically rather than checked off feature by feature.
For healthcare provider, payer, and supplier organizations, this matters because email remains one of the highest-volume channels for PHI exposure, from clinical referrals to patient billing statements to routine staff communication. Getting the definition right is the first step toward closing the compliance gap.
Why Standard Email Is Not HIPAA-Compliant
Many healthcare organizations run on Gmail (Google Workspace) or Microsoft 365, and most assume they’re protected because encryption exists somewhere in the stack. That assumption is the single most common — and most dangerous — misconception in healthcare email security.
Here’s the problem: standard email services use opportunistic TLS by default. TLS is attempted between mail servers, but if the receiving server doesn’t support it, the message is delivered anyway — unencrypted, in plaintext. Neither the sender nor the recipient typically sees a warning. The email just goes through.
This isn’t a hypothetical edge case. IT professionals managing healthcare email infrastructure have flagged this exact issue directly: opportunistic TLS is often enabled by default and creates a false sense of security, since it offers no guarantee that a given message, including one containing PHI, won’t be transmitted in plaintext if the recipient’s mail server doesn’t support encryption. Organizations assume they’re protected simply because TLS is technically “on,” without realizing it isn’t enforced.
That gap has real consequences under HIPAA. The Security Rule currently treats transmission encryption as an “addressable” safeguard, meaning covered entities can, in theory, implement an equivalent alternative measure instead. In practice, regulators and auditors from the Office for Civil Rights (OCR) expect enforced encryption as the standard of care. “Addressable” has never meant optional — it means an organization needs a documented, defensible reason if it isn’t doing enforced encryption, and few reasons hold up under scrutiny. Finally, under OCR’s proposed changes to the HIPAA Security Rule for ePHI, scheduled for final publication in July 2027, email encryption moves from addressable to mandatory.
Beyond the encryption gap, standard consumer and even most business email plans typically lack:
A BAA that’s actually offered and signed (available on some enterprise tiers, but not automatic)
Audit logging sufficient to meet HIPAA Security Rule requirements
Built-in encryption at rest guarantees for stored messages
None of this means Gmail or Microsoft 365 are inherently insecure products. It means their default configuration is built for general business use, not for an environment where every misrouted or intercepted message carries breach notification liability. Making either platform HIPAA-appropriate requires layering on additional tools, policies, and critically, a provider relationship that includes a signed BAA covering the exact services in use.
The Technical Components of Secure Email
Secure email is built upon five technical layers. Understanding each one, and where it fails in standard email, clarifies exactly what a compliant solution needs to deliver.
Encryption in Transit (TLS)
Transport Layer Security (TLS) encrypts the connection between mail servers as a message travels from sender to recipient. There are two flavors, and the difference between them is the crux of most healthcare email compliance failures:
Opportunistic TLS attempts an encrypted connection but falls back to unencrypted delivery if the receiving server doesn’t support it. This is the default across most consumer and business email platforms.
Enforced TLS requires an encrypted connection for delivery to succeed. If encryption can’t be established, the message fails to send rather than going out in plaintext, or a link to secure portal can be sent to securely access the information.
HIPAA’s Security Rule lists encryption as addressable, but enforced TLS has become the de facto standard that auditors and OCR expect from covered entities and business associates handling PHI over email. As one healthcare IT professional put it while debating this exact tradeoff internally: the goal is to require TLS for all outbound email and then document the remaining controls around it, treating enforced TLS as the technical baseline, with policy and process built on top.
Encryption at Rest
Transit encryption only protects a message while it’s moving. Once it lands on a mail server — sender’s outbox, recipient’s inbox, backups, archives — it needs to remain encrypted in storage. This is encryption at rest, and it’s where many organizations underestimate their exposure.
Encryption in transit alone offers zero control over a message after it’s been delivered. If the destination server isn’t itself encrypting stored data, or if a backup snapshot is taken without encryption, PHI sitting in an inbox is exposed regardless of how securely it arrived. HIPAA’s Security Rule requires safeguards for ePHI both in transit and at rest, a compliant secure email provider needs to guarantee both, not just one.
End-to-End Encryption (S/MIME, PGP)
End-to-end encryption (E2EE) encrypts message content itself, not just the connection it travels over — meaning even the email provider can’t read the content. Two standards dominate here:
S/MIME uses certificate-based encryption and is common in enterprise environments, such as healthcare, particularly where organizations already manage a public key infrastructure.
PGP (Pretty Good Privacy) uses a public/private key model and is more common in technical or security-conscious communities, though it’s less frequently deployed at scale in healthcare due to key management complexity.
E2EE isn’t a baseline requirement for every PHI-containing email, enforced TLS plus encryption at rest satisfies most use cases. But it becomes necessary for especially sensitive communications, cross-organization data sharing where you don’t control the recipient’s infrastructure, or when a business associate agreement specifically requires it.
Authentication (SPF, DKIM, DMARC)
These three protocols work together to prevent domain spoofing and email impersonation, a growing attack vector against healthcare organizations specifically, given how often phishing campaigns impersonate providers, payers, or patients.
SPF (Sender Policy Framework) specifies which mail servers are authorized to send email on behalf of a domain.
DKIM (DomainKeys Identified Mail) adds a cryptographic signature verifying a message wasn’t altered in transit.
DMARC (Domain-based Message Authentication, Reporting & Conformance) tells receiving servers what to do when SPF or DKIM checks fail, and provides reporting visibility.
Without these configured correctly, an organization’s domain can be spoofed to send convincing phishing emails to patients or staff, creating a security failure that compounds the compliance risk of email interception.
Digital Signatures
Digital signatures verify sender identity and confirm a message hasn’t been tampered with between sending and receipt. Paired with encryption, they close the loop on message integrity, confirming not just that content was protected, but that it came from who it claims to have come from and arrived unaltered.
Standard Email vs. Secure Email: Feature Comparison
Feature
Standard Email
Secure Email (HIPAA-Compliant)
Encryption in Transit
Opportunistic TLS — attempted but not enforced
Enforced TLS — connection fails if encryption unavailable, can include delivery via secure portal option
Encryption at Rest
Not guaranteed; provider-dependent
Required — server-side encryption of stored messages
End-to-End Encryption
Not available
Supported via S/MIME and/or PGP
Digital Signatures
Not available
Included — verifies sender identity and message integrity
Authentication (SPF / DKIM / DMARC)
Optional, rarely enforced
Required — spoofing and impersonation protection
Business Associate Agreement (BAA)
Not provided on standard plans
Required — must be signed before sending PHI
Audit Logs
Basic or none
Full audit trail — required under HIPAA Security Rule
Access Controls
Basic password only
Role-based access, MFA, admin controls
Misdirected Email
Reportable HIPAA breach
Non-reportable if properly encrypted (safe harbor)
HIPAA Compliant by Default
No
Yes
What Makes Email HIPAA-Compliant Specifically
Technical safeguards alone don’t make email HIPAA-compliant. Compliance is a combination of technology, contracts, and documented processes — all four need to be in place simultaneously. This includes:
A signed BAA with your email provider – Any vendor that transmits, processes, or stores PHI on your behalf is a business associate under HIPAA, and business associates are legally required to sign a BAA before handling that data. Email providers have persistent access to ePHI — even end-to-end encrypted messages pass through their infrastructure at some point — which makes this requirement absolute, not situational. If a provider won’t sign a BAA, using them to send or store PHI isn’t a compliance risk you can mitigate; it’s a violation from the start.
Encryption as an addressable safeguard – Under 45 CFR §164.312(e)(2)(ii), the HIPAA Security Rule lists encryption of ePHI in transit as “addressable” rather than strictly “required.” In practice, this doesn’t mean optional, it means an organization must implement it, or document and justify an equivalent alternative safeguard. Enforced encryption has become the expected standard, and with the newly proposed HIPAA Security Rule planned for July 2027 publication, NPRM would formalize that expectation by making encryption of ePHI in transit and at rest mandatory rather than addressable. Organizations still relying on opportunistic TLS as their “equivalent alternative” should treat this as a closing window.
Access controls and audit logs – HIPAA requires the ability to track who accessed PHI, when, and what they did with it. This means role-based access permissions, multi-factor authentication, and a complete, retained audit trail — not just for compliance reporting, but for identifying and responding to incidents quickly.
The encryption safe harbor – This is one of the most consequential, and most underused, provisions in HIPAA. If PHI is sent via properly encrypted email and ends up misdirected to the wrong recipient, it is not a reportable breach under the Breach Notification Rule, because the encrypted content is considered unreadable and therefore not “unsecured PHI.” The exact same misdirection with unencrypted email is a reportable breach, triggering notification obligations to the individual and to HHS/OCR. Encryption isn’t just a security best practice here, it’s the line between a non-event and a formal breach investigation.
HITRUST certification as a trust signal – When evaluating vendors, HITRUST CSF certification is a strong external indicator that a provider’s security controls have been independently assessed against a recognized healthcare-specific framework. It’s not a HIPAA requirement in itself, but it meaningfully reduces the diligence burden on your side when vetting a provider.
Types of Healthcare Email That Must Be Secure
Not all internal debate here is about “should we secure email” — it’s about scope. Which specific email flows actually carry PHI, and therefore need to run through a compliant channel? In practice, the answer is broader than most teams initially assume.
The common thread: if a message references anything that could identify a patient in connection with health information — a name next to a diagnosis, an account number tied to a service date, an annual test reminder — it needs to move through a secure channel, regardless of whether it’s clinical, financial, or administrative in nature.
How to Evaluate a Secure Email Provider for Healthcare
Vendor evaluation in this category tends to go one of two ways: teams either take a provider’s “HIPAA-compliant” label at face value, or they get buried in RFP questions without knowing which answers actually matter. Ask these key questiosn to focus the evaluation on what’s operationally and legally significant.
“Does the provider sign a BAA? This is the first filter, not the last. If a vendor won’t sign a BAA — or offers a heavily limited one — everything else is irrelevant. Some organizations go a step further and negotiate indemnity or make-whole clauses into the BAA itself, seeking financial protection beyond the baseline liability allocation.
What encryption methods are supported? Confirm specifically whether the provider offers TLS only, or also supports S/MIME and/or PGP for end-to-end encryption where needed. TLS-only coverage is sufficient for most standard PHI communication; organizations with cross-border data sharing or especially sensitive use cases may need E2EE options available.
Is encryption enforced or opportunistic? This is the single most important technical question to ask directly, in those terms. A vendor that describes its encryption vaguely, without distinguishing enforced from opportunistic delivery, hasn’t answered the question. Push for specifics.
How are large attachments handled? Lab results, imaging files, and clinical documents often exceed standard attachment size limits. Confirm the provider has a secure, compliant method for large file transfer that doesn’t force users onto an unencrypted workaround.
What audit logging and reporting capabilities exist? You need visibility into delivery, access, and any failed encryption attempts, not just a generic sent/received log. Ask whether logs are retained for a period consistent with your organization’s HIPAA documentation requirements.
Do they support high-volume transactional email? Appointment reminders, billing notices, and patient communications at scale require infrastructure built for volume without sacrificing per-message compliance. Confirm the provider’s platform is built for this your specific pattern, not just person-to-person messaging.
Is the platform US-based with US data residency? For many healthcare organizations, where data physically resides — and under which jurisdiction — is a material factor in vendor risk assessment, particularly for payers and larger provider organizations with strict data governance policies.”
One operational factor worth weighing alongside these questions: secure email portals — the kind that require recipients to click through to a separate web page to read a message — solve the encryption problem but often create a real adoption problem. IT teams have reported a direct conflict between phishing-awareness training and portal-based workflows: staff and patients trained not to click suspicious links in emails are, understandably, reluctant to click the “secure link” a portal email contains. This is a legitimate reason many organizations increasingly prefer platforms that enforce encryption transparently in the background — like LuxSci’s SecureLine encryption technology — rather than routing every message through a separate portal experience.
Secure Email Checklist for Healthcare Organizations
Every safeguard covered in this guide comes down to a handful of concrete, verifiable actions. Use the checklist below as a working reference for what needs to be in place across your legal agreements, technical controls, and internal processes. This is not a one-time setup task, but something worth revisiting as your email volume, vendors, and regulations evolve. Share it across your compliance and IT teams as a starting point for an internal audit.
Legal and Contractual – BAA signed with email provider and all third-party vendors handling PHI.
Encryption – Forced TLS, not opportunistic only for emails in transit and all stored data encrypted with AES-256 bit encryption.
Access and Audit – Unique user IDs, role-based access, and login monitoring with advanced MFA enabled for all email accounts; audit logs active and maintained.
People and Processes – Staff trained in PHI handling, established breach response plan, annual email security policy review.
What Should I Do Now?
Secure email isn’t a single setting you switch on — it’s a combination of enforced encryption, a signed BAA, access controls, and documented process working together. Get any one piece wrong, and the rest doesn’t hold up under an OCR audit or a breach investigation.
If your organization is still relying on opportunistic TLS, an unsigned or incomplete BAA, or a patchwork of workarounds to move PHI through email, now is the time to close that gap, especially with the proposed 2025 HIPAA Security Rule update poised to make encryption a mandatory requirement rather than an addressable one in 2027.
Below are three ways you can continue your journey to securing your healthcare email:
Email can be HIPAA compliant, but only when the right safeguards are in place — enforced encryption, a signed BAA with your email provider, access controls, audit logs, and staff training on PHI handling. Standard email without these safeguards is not compliant.
2. Do I need to sign a BAA with my email provider?
Yes. Email providers have persistent access to ePHI — even encrypted messages pass through their servers — making them Business Associates under HIPAA. A signed BAA is required. If your provider won’t sign one, you cannot legally use them to send or store PHI.
3. What is the difference between opportunistic TLS and enforced TLS — and which does HIPAA require?
Opportunistic TLS attempts encryption but falls back to plaintext if the recipient’s server doesn’t support it. Enforced TLS stops delivery rather than sending unencrypted. HIPAA’s Security Rule treats transmission encryption as an addressable specification, in practice, enforced TLS is the standard auditors and OCR expect. The proposed 2025 HIPAA Security Rule NPRM would make encryption of ePHI in transit a mandatory requirement in 2027.
4. What happens if I send PHI in an unencrypted email?
It is an impermissible disclosure under HIPAA’s Privacy Rule and triggers the Breach Notification Rule, requiring you to notify the individual and HHS/OCR within 60 days. Penalties range from $100 to $50,000 per violation. Had the email been properly encrypted, the same incident would qualify for HIPAA’s encryption safe harbor, meaning no notification required.
5. Is Gmail or Microsoft 365 HIPAA compliant for sending patient emails?
Neither is compliant in their default configuration. Both use opportunistic TLS, meaning PHI can be sent in plaintext if the recipient’s server doesn’t support encryption. A signed BAA is available on enterprise plans but doesn’t close the technical gap alone. A purpose-built HIPAA-compliant email platform is the reliable solution.
If you’ve been waiting for the final word on the new HIPAA Security Rule before you touch your email encryption strategy, you now have an official reason to keep waiting.
Our advice: Don’t do it.
What is the new HIPAA Security Rule for ePHI?
The Department of Health and Human Services’ Office for Civil Rights had targeted May 2026 for a final rule implementing the most significant update to the HIPAA Security Rule in over two decades. The proposal eliminates the “addressable” standard and makes encryption of ePHI in transit and at rest mandatory for every covered entity and business associate. That deadline came and went quietly. Now we know why: an updated federal regulatory agenda shows OCR’s timeline has moved to July 2027, with the rule-making downgraded from “final rule stage” to “long-term action.” OCR is still working through more than 4,700 public comments on the January 2025 proposal.
For an industry that had been expecting a tighter deadline, a year-plus delay is the kind of news that invites a collective exhale — and a shelved project plan. At LuxSci, we think that would be a mistake, for three reasons:
The current rule already requires you to address encryption. “Addressable” was never “optional.” It has always meant you must implement the safeguard, implement an equivalent alternative, or document in writing why neither is reasonable for your organization. Most healthcare organizations have never done that documentation rigorously, and OCR’s existing enforcement authority applies today, not in 2027.
Breach costs haven’t waited for the rule.IBM’s 2025 Cost of a Data Breach Report puts the average healthcare breach at $7.42 million, still the highest of any industry. At the same time, email remains the number one attack vector into healthcare organizations. None of that risk is paused by a regulatory delay.
Delay is not withdrawal.OCR has not signaled it’s abandoning the encryption mandate, only that it’s taking longer to finalize it. Organizations that build now toward the standard already proposed will be ahead (and more secure) regardless of exactly when, or in what final form, the rule lands. Organizations that wait risk a compressed scramble once it does.
What should healthcare IT and compliance leaders actually do with this news?
Reevaluate your ePHI security posture, recalibrate its urgency, and use the extra runway to do the job right, instead of racing against a deadline. This includes:
Getting a real inventory of where ePHI moves by email today, inbound and outbound, and where encryption is inconsistent or absent.
Closing the documentation gap on “addressable” now, while you have time to do it well rather than defensively.
Pushing your email vendor for concrete answers on encryption standards, MFA enforcement, audit logging, and breach notification — the same technical controls the proposed rule would make mandatory.
Building (or updating) a written, enforcement-ready posture: policies, vendor agreements, certifications and verifications, test results, and training records that would hold up under an OCR investigation today, not just in a future compliance deadline.
Get LuxSci’s new Definitive Guide on the new HIPAA Security Rule
From Addressable to Mandatory: Email Encryption Under the New HIPAA Security Rule provides the latest update on the rule, what it means for healthcare email encryption, and what you can do now to properly prepare for what’s coming in 2027. The guide also includes an interactive scorecard that lets you evaluate your current email set up and vendor across seven security and compliance dimensions in under two minutes, no email address required.
If you want a second set of eyes on where your organization stands, our team offers a free 30-minute compliance assessment of your current email environment against the proposed rule’s requirements.
Most healthcare organizations view email as a utility, a necessary tool for sending messages between staff, communicating with patients, sending out newsletters, connecting workflows, and so on. Historically, IT teams focused on keeping it running, security teams worried about phishing, and compliance teams made sure sensitive emails were encrypted.
Today, however, that view is rapidly becoming outdated.
Email has evolved into one of healthcare’s most critical digital infrastructure components, and also one of it’s biggest security threats. It’s a core channel for patient engagement, care coordination, revenue cycle operations, digital marketing, remote monitoring, and increasingly, AI-powered communications. The organizations that recognize this shift are building communications platforms designed for security, performance, automation, and growth. With the new HIPAA Security Rule requiring email encryption on the horizon, those companies that don’t may find themselves constrained by systems that were never intended to support modern healthcare.
Email Is No Longer Just a Messaging Tool
Healthcare organizations now depend on email to support dozens of mission-critical workflows every day.
Patients receive appointment reminders, registration instructions, imaging results, billing notifications, Explanation of Benefits (EOBs), prescription updates, preventive care reminders, patient education, and post-discharge follow-up. Marketing teams deliver personalized wellness campaigns and service line promotions. Clinical systems generate transactional notifications. Revenue cycle teams rely on secure digital communications to accelerate payments and reduce paper costs.
For many organizations, mission-critical patient communications flow through email every month.
When viewed collectively, email is more than a simple communications channel. It has become operational infrastructure with high levels of security needed and increasing compliance requirements.
The Stakes Continue to Rise
As healthcare becomes more digital, every communication carries greater business and clinical importance.
A delayed billing email may postpone payment. A failed appointment reminder can increase no-show rates. An undelivered care management message may impact patient outcomes. A misconfigured security policy can expose protected health information (PHI). Poor deliverability can undermine expensive patient engagement initiatives before they ever reach the inbox.
These are no longer isolated IT issues. Email can affect revenue, patient satisfaction, operational efficiency, compliance, and organizational reputation.
Today’s healthcare leaders require email infrastructure to provide the same reliability and visibility they demand from electronic health records, identity management systems, and other core infrastructure.
AI Is Raising the Bar Even Higher
There’s little doubt that artificial intelligence (AI) promises to transform patient communications.
Healthcare organizations everywhere are exploring AI-generated patient education, personalized outreach, intelligent scheduling, multilingual communications, and automated follow-up programs.
But AI also increases the importance of the underlying communications infrastructure.
Generating more personalized emails means little if organizations cannot:
Automatically protect PHI.
Apply consistent security policies.
Maintain complete audit trails.
Deliver messages reliably.
Integrate with EHRs, RCM and CRM platforms, and customer data platforms.
Demonstrate compliance during an audits.
In many ways, AI amplifies both the opportunities and the risks. Your email platform can help determine whether AI initiatives succeed or create new compliance and operational challenges.
Infrastructure Matters More Than Features
Healthcare buyers have traditionally evaluated email platforms based on individual features such as encryption, spam filtering, or secure portals.
Those capabilities remain important, but they no longer tell the whole story.
Today’s healthcare organizations should be evaluating communications platforms the same way they evaluate any mission-critical infrastructure.
Questions increasingly include:
Can it support both transactional and marketing communications?
Does it automatically enforce security policies without relying on user decisions?
Can it integrate with EHRs, CRM systems, CDPs, and business applications?
Will it scale during peak communication periods?
Does it provide detailed audit logging and reporting?
Can it adapt as regulatory expectations evolve?
Does it maintain high deliverability at enterprise scale?
Does it support single-tenant dedicated infrastructure for high performance and increased security?
These infrastructure characteristics often determine long-term success far more than any single feature comparison.
Email and the Future Of Secure Healthcare Communications
Healthcare is steadily moving toward a world where nearly every patient interaction is digital, personalized, and data-driven.
Healthcare leaders often ask whether they need a more secure email solution. That may be the wrong question.
The better question is whether their communications infrastructure is ready for where healthcare is headed over the next decade.
If you want talk about the future of your healthcare email infrastructure, reach out today and schedule a 30-minute assessment call with our experts.
Ensuring HIPAA compliance for email is crucial for healthcare organizations and their business associates when handling Protected Health Information (PHI). HIPAA regulations require strict safeguards, including access controls, audit logs, integrity protections, and transmission security, to prevent unauthorized access and breaches. Encryption plays a key role in securing PHI during email exchanges, and organizations must establish comprehensive email policies aligned with the HIPAA Privacy Rule. Additionally, some state laws may impose stricter requirements, such as obtaining explicit patient consent before using email for PHI. Understanding these regulations is essential for maintaining compliance, protecting patient data, and avoiding costly penalties.
The Health Insurance Portability and Accountability Act (HIPAA) is a complicated law that sets the standards for collecting, transmitting, and storing protected health information (PHI). When information is stored or exchanged electronically, the HIPAA Security and Privacy Rules require covered entities to safeguard its integrity and confidentiality. One of the most common ways that PHI is shared electronically is via email. Understanding how HIPAA email rules apply is essential to meet HIPAA requirements and protect sensitive data.
The HIPAA Email Security Rule
It’s important to note that HIPAA does not require the use of any specific technology or vendor to meet its requirements. Generally speaking, the Security Rule requirements for email fall into four categories:
Organizational requirements state the specific functions a covered entity must perform, including implementing policies and procedures and obligations concerning business associate contracts.
Administrative requirements relate to employee training, professional development, and management of PHI.
Physical safeguards encompass the security of computer systems, servers, and networks, access to the facility and workstations, data backup and storage, and the destruction of obsolete data.
Technical safeguards ensure the security of email data transmitted over an open electronic network and the storage of that data.
Below, we discuss some of the main requirements that apply to email and the steps you need to take to secure email accounts that transmit and store PHI.
HIPAA Compliance Email Rules
While email encryption gets most of the spotlight during discussions on HIPAA compliant email security, HIPAA regulations for email cover a range of behaviors, controls, and services that work together to address eight key areas.
1. Access: Access controls help safeguard access to your email accounts and messages. Implementing access controls is essential to keep out unauthorized users and secure your data. Some key steps to take include:
Using strong passwords that cannot be easily guessed or memorized.
Creating different passwords for different sites and applications.
Using two-factor authentication.
Securing connections to your email service provider using TLS and a VPN.
Blocking unencrypted connections.
Being prepared with software that remotely wipes sensitive email off your mobile device when it is stolen or misplaced.
Logging off from your system when it is not in use and when employees are away from workstations.
Emphasizing opt-out email encryption to minimize breaches resulting from human error.
2. Encryption: Email is inherently insecure and at risk of being read, stolen, eavesdropped on, modified, and forged (repudiated). Covered entities should go beyond the technical safeguards of the HIPAA Security Rule and take steps beyond what is required to futureproof their communications. Some email encryption features to adopt include the following:
The ability to send secure messages to anyone with any email address.
The ability to receive secure messages from anyone.
Implementing measures to prevent the insecure transmission of sensitive data via email.
Exploring message retraction features to retrieve email messages sent to the wrong address.
Avoiding opt-in encryption to satisfy HIPAA Omnibus Rule.
3. Backups and Archival: HIPAA email retention rules require copies of messages containing PHI to be retained for at least six years. To address these requirements, organizations must consider the following:
How are email folders backed up?
Are there at least two different backups at two different geographical locations? The processes updating these backups should be independent of each other as a measure against backup system failures.
Have you maintained separate, permanent, and searchable archives? While the emails should be tamper-proof, with no way to delete or edit them, they should be easily retrievable to facilitate discovery, comply with audit requests, and support business-critical scenarios.
4. Defense: Cyber threats against healthcare organizations are continually increasing. Some may be surprised to learn that HIPAA secure email requirements mandate that organizations take steps to defend against possible attackers. To defend against malicious messages, consider implementing the following technologies:
Server-side inbound email malware and anti-virus scanning to detect phishing and malicious links
Showing the sender’s email address by default on received messages
Email filtering software to detect fraudulent messages and ensure it uses SPF, DKIM, and DMARC information to classify messages
Scanning outbound email
Scanning workstations for malware and virus
Using plain text previews of your messages
5. Authorization: A crucial aspect of HIPAA secure email requirements is ensuring that bad actors cannot impersonate your company or employees. Configuring your domains with SPF and DKIM is essential to verify your identity as an authorized sender of mail from your domains. Also, ensure that users cannot send messages through your email servers without authentication and encryption.
6. Reporting: Setting accountability standards for email security is essential to establishing and improving your HIPAA compliance posture. Some important steps to take include:
Creating login audit trails.
Receiving login failure and success alerts.
Auto-blocking known attackers.
Maintaining a log of all sent messages.
7. Reviews and Policies: Humans are the greatest vulnerability to any security and compliance plan. Create policies and procedures that focus on plugging vulnerabilities and preventing human errors. Some ways to reduce risk include:
Inviting independent third parties to review your email policies and user settings. Fresh, unbiased eyes can weed out issues quickly.
Disallowing the use of public Wi-Fi for devices that connect to your sensitive email.
Creating email policies prohibiting users from clicking on links or opening attachments that are not expected or requested.
8. Vendor Management: Most people do not manage their email in-house. Properly vetting and researching whoever will be responsible for your email services is essential. Perform a yearly review of your email security and stay on top of emerging cybersecurity threats to take proactive action when necessary for sustained HIPAA compliance.
LuxSci’s secure email solutions were designed to help organizations tackle complicated HIPAA email rules. Contact us today to learn more how we can help you secure sensitive data.
Documenting HIPAA Compliance For Email
HIPAA compliant email requires documented proof that privacy and security protocols are being followed. HIPAA email systems must include audit trails, policy records, and incident response documentation that demonstrate appropriate safeguards are in place. Healthcare organizations benefit from clear documentation practices that satisfy regulatory inspectors while supporting daily operations and staff training activities.
Email Policy Documentation and Implementation Records
Healthcare organizations must develop written policies that govern HIPAA email usage according to Privacy Rule and Security Rule standards. Email policies should specify encryption requirements, staff responsibilities for handling patient information, and procedures for responding to security incidents. Policy documents must include implementation dates, responsible staff members, and update procedures when regulations change or organizational needs evolve.
Training records provide evidence that employees understand their HIPAA email obligations and can properly implement security procedures. Documentation should capture completion dates, training topics, assessment scores, and remedial training when staff members fail initial evaluations. Organizations that cannot produce training records struggle to prove employees received instruction appropriate to their job functions and access to patient information.
Business Associate Agreement files cover relationships with email service providers and other vendors handling protected health information. Contract documentation should include security specifications, incident reporting procedures, and audit rights that allow healthcare organizations to verify vendor performance. Without proper agreements, healthcare organizations expose themselves to liability when vendors mishandle patient information.
Risk assessment documentation identifies vulnerabilities in HIPAA email systems and describes corrective measures implemented to address identified problems. Assessment records should include evaluation methods, discovered issues, remediation plans, and verification that fixes have been properly implemented. Many organizations conduct risk assessments but fail to document their findings, making it difficult to track improvements over time.
Audit Trail Management and Log Analysis
HIPAA compliance for email depends on audit logs that track user activities, system access, and message handling throughout email platforms. Audit systems should capture login events, message transmission records, administrative changes, and security alerts that might indicate potential violations. Log protection prevents tampering while ensuring data remains accessible for regulatory review periods.
Monitoring systems can identify unusual email usage patterns that suggest security incidents or policy violations. Alert capabilities should flag failed login attempts, large file transfers, abnormal message volumes, and access from unauthorized locations. Real-time monitoring helps healthcare organizations respond quickly to potential security events before they escalate into breaches.
Log review schedules ensure audit data receives regular examination for potential security incidents or policy violations. Review procedures should specify analysis frequency, responsible personnel, and escalation steps when suspicious activities are discovered. Some entities collect extensive audit data but never review it, missing opportunities to identify security problems early.
Log retention policies balance storage costs with regulatory requirements and potential legal discovery obligations. Retention schedules should consider HIPAA requirements alongside other applicable regulations that might demand longer storage periods.Log data must be destroyed properly when retention periods expire to prevent unauthorized access to historical communications.
Incident Response Documentation and Breach Investigation
HIPAA email incident response procedures must address security events and human errors that might compromise patient information. Response plans should include assessment procedures, containment steps, investigation protocols, and notification requirements for different incident types. Quick response often determines whether a minor security event becomes a reportable breach.
Breach investigation procedures help healthcare organizations determine whether email incidents constitute breaches of unsecured protected health information under HIPAA definitions. Investigation protocols should include evidence collection methods, impact assessments, timeline development, and documentation standards that support internal decisions and potential regulatory reporting. Complex incidents may require external legal and technical expertise.
Notification procedures vary based on incident severity and the type of information potentially compromised. Internal notification processes ensure appropriate personnel are informed about incidents and can participate in response activities. Patient notification requirements create legal obligations that organizations must fulfill within timeframes established by federal regulations.
Corrective action documentation describes measures implemented to prevent similar incidents and demonstrates organizational commitment to improving email security. Action plans should include root cause analysis, remediation steps, implementation timelines, and verification procedures that confirm corrective measures work as intended. Organizations that implement fixes without documenting them may repeat the same mistakes when staff turnover occurs.
Staff Training Documentation and Competency Records
HIPAA email training programs must address technical email operations and regulatory requirements for handling protected health information. Training materials should cover encryption procedures, access controls, incident reporting, and acceptable use policies for email communications. Role-based training ensures different staff groups receive instruction appropriate to their job functions and patient information access levels.
Competency verification procedures help healthcare organizations confirm staff members understand and can properly implement HIPAA email security measures. Verification methods may include written tests, practical demonstrations, and performance monitoring that evaluate staff compliance with email policies. Training programs without competency verification cannot prove that employees actually learned the required information.
Refresher training schedules ensure staff members stay current with evolving threats, policy updates, and new email system features. Training frequency should consider technology change rates, emerging security threats, and organizational policy modifications. Staff members who received training years ago may not remember procedures or may have developed bad habits that compromise security.
Training effectiveness measurement helps healthcare organizations evaluate whether HIPAA email training programs meet learning objectives. Measurement approaches may include before and after assessments, incident rate analysis, and feedback collection that provide insights into training quality. Organizations should adjust training content based on effectiveness data to ensure educational efforts support compliance goals.
System Configuration and Change Control Records
Email system configuration documentation provides detailed records of security settings, access controls, and integration setups that support HIPAA compliance for email. Configuration records should include baseline security settings, approved modifications, and verification procedures that confirm systems maintain appropriate security levels. System administrators need current configuration records to troubleshoot problems and maintain security standards.
Change management procedures ensure modifications to HIPAA email systems receive proper evaluation, testing, and documentation before implementation. Change processes should include security impact assessments, testing protocols, approval workflows, and rollback procedures that minimize risks to email security. Changes made without proper documentation and approval create security vulnerabilities that may not be discovered until a breach occurs.
Version control procedures help healthcare organizations track changes to email system configurations and maintain the ability to restore previous settings when problems occur. Version documentation should include change descriptions, implementation dates, responsible personnel, and verification that modifications function properly. Organizations need version control to understand how their systems evolved and to reverse changes that cause problems.
Patch management procedures ensure email systems receive security updates promptly while maintaining system stability and compliance. Patch processes should include vulnerability assessment, testing protocols, deployment schedules, and verification that updates install correctly. Delayed patching leaves systems vulnerable to known exploits that criminals actively target.
HIPAA Compliant Email Vendor Management and Contract Documentation
Email service provider relationships must include Business Associate Agreements that specify security requirements, compliance obligations, and incident reporting procedures. Contract documentation should cover data handling standards, audit rights, and termination procedures that protect healthcare organizations when vendor relationships end. Regular vendor performance reviews ensure service providers continue meeting contractual obligations.
Vendor compliance verification ensures email service providers maintain their obligations under Business Associate Agreements and healthcare security standards. Verification activities may include security certification reviews, audit report analysis, and compliance documentation that demonstrates ongoing adherence to healthcare privacy requirements. Healthcare organizations that trust vendors without verification may discover compliance failures only after incidents occur.
Service level agreement documentation defines performance expectations, availability targets, and response times for email services and security incidents. Agreement records should include uptime guarantees, incident response procedures, and remediation steps when service levels are not met. Performance tracking helps healthcare organizations evaluate vendor reliability and compliance with contractual commitments.
Vendor communication records document interactions about security updates, policy changes, and compliance requirements that affect email services. Communication logs should include update notifications, compliance discussions, and resolution of security concerns that arise during vendor relationships. Good communication records help resolve disputes and ensure both parties understand their obligations when changes occur.
Recent research from McKinsey & Company indicates that people prefer more personalized experiences when engaging with companies, businesses and providers. While the retail, technology and financial services sectors have realized the benefits of personalization for years, the healthcare industry has been slower to adapt—providing huge opportunities to improve experiences and outcomes with better communications.
Simply put, personalized healthcare is about delivering a patient or customer experience that’s tailored to the unique needs of the individual. Personalization in healthcare goes beyond simply addressing the symptoms of an illness or ongoing care needs. Modern healthcare providers are more effectively engaging patients and customers based on their access and ability to use patient data or protected health information (PHI), factoring in medical history, treatment plans, product usage and personal preferences to drive more personalization. Communication plays a key role in this process. The way healthcare providers and suppliers communicate with patients has a direct impact on their satisfaction, adherence to treatments, and overall outcomes across the end-to-end healthcare journey.
As healthcare becomes more patient-centric, personalization is no longer just a nice-to-have—it’s a requirement. Today’s patients and customers expect healthcare providers to understand their needs and communicate in a way that connects with them on an individual level. Personalizing communications isn’t just about adding a patient’s name to an email—it’s about providing meaningful, timely, and relevant information that aligns with their unique health profile and needs.
So, how can healthcare providers and suppliers effectively personalize their communications while maintaining privacy and compliance with regulations like HIPAA?
This blog post digs deeper into this critical healthcare topic and offers practical tips on how to personalize healthcare engagement.
McKinsey & Company Research Highlights Consumer Demand for Personalization
With industries like retail setting high standards for personalization, patients are coming to expect the same level of attention in healthcare. The demand for better healthcare experiences is rising, and patients are more likely to engage with providers and suppliers who offer personalized communication, including over email and text.
In fact, a recent study conducted by McKinsey & Company found that 71 percent of people expect businesses and providers to offer personalized interactions, and 76 percent are frustrated when they don’t receive personalized communications tailored to their specific needs. For healthcare providers, this can include healthcare conditions, treatment plans, new product usage and ongoing care management. The research highlights how much people value personalization and why healthcare providers, payers and suppliers need to adapt their communication strategies accordingly. The benefits include:
1. Building Trust and Loyalty
One of the main advantages of personalizing healthcare communications is that it helps build a stronger relationship between the patient and the provider or supplier. When patients and customers feel that a healthcare provider truly understands their individual needs, they’re more likely to develop trust and remain loyal to that provider.
2. Improving Patient Engagement and Outcomes
Personalized healthcare communications have been shown to increase patient engagement, especially when it comes to treatment adherence, plan renewals and new product usage. Sending personalized reminders for medication refills, appointment scheduling, equipment upgrades or lab test follow-ups can significantly improve compliance—and outcomes. Patients are more likely to respond to messages that are relevant to their personal health journey.
3. Reducing Patient Anxiety and Confusion
Healthcare journeys can be overwhelming, especially when dealing with complex medical conditions or products. Personalized communication can help reduce this anxiety by making information more digestible and relevant. By addressing a patient’s unique concerns and providing the right information in communications, including PHI, healthcare providers and suppliers can reduce confusion and deliver a better overall experience.
Leveraging Data to Personalize Healthcare Experiences
The key to successful personalized communication lies in leveraging patient data effectively and responsibly. Providers can use data from electronic health records (EHRs), customer data platforms (CDPs), CRM systems, and patient portals to send tailored messages. For example, if a patient has a history of diabetes, the healthcare provider can send targeted educational content, reminders for blood sugar monitoring, and personalized treatment recommendations. In turn, medical equipment providers can seend HIPAA compliant communications for new product offers and upgrades.
However, it’s essential that healthcare providers use patient data in a way that respects privacy and complies with HIPAA regulations, including for communications. Only authorized personnel should have access to sensitive information, and all communication should be done via secure, end-to-end HIPAA compliant channels. This can include email, text and forms.
Personalization doesn’t just mean addressing individual patients—it also means communicating effectively with different groups of patients and customers, including understanding their channel preferences and having the ability to securely communicate over the channel of their choice. A younger demographic might prefer communication via text messages, while older patients may appreciate phone calls or emails. By understanding the preferences of different patient groups, healthcare providers and suppliers can ensure their messages are well-received.
The Role of HIPAA Compliant Communications in Personalization
Technology is a powerful enabler when it comes to personalizing healthcare communications. From secure email platforms to automated text messaging systems to secure marketing campaigns, today’s leading HIPAA compliant healthcare communications solutions allow you to deliver personalized communications efficiently and securely.
When it comes to personalization in healthcare, it’s essential to prioritize HIPAA compliance. This ensures that patient information remains protected while still allowing you to include protected health information or PHI in communications. With the right tools in place, healthcare providers can safely use secure email, text, and forms to deliver personalized content. For example, an email with educational materials tailored to a patient’s condition or a text message reminder for an upcoming appointment or medical equipment upgrade can make a significant difference in patient engagement and overall satisfaction—and improve the results of your business.
While there are many benefits to personalizing healthcare communications, there are also challenges. Healthcare providers must navigate privacy concerns, regulatory hurdles, and the complexities of integrating personalized communication into existing workflows. Working with a vendor that is experienced and knowledgeable about HIPAA compliance and has a proven secure communications solutions can help healthcare providers and suppliers overcome these challenges.
Personalize Healthcare Communications
Personalization isn’t just a trend—it’s a necessity for improving patient engagement, experiences and outcomes. By leveraging secure, HIPAA-compliant tools and focusing on personalized communications that leverage PHI, healthcare providers can build trust, improve compliance, and foster long-term patient and customer loyalty. As technology continues to evolve, the potential for further personalization in healthcare communications will only grow.
Want to personalize your healthcare communications—securely? Contact us today to learn more!
FAQs
What is personalized healthcare?
Personalized healthcare is an approach that tailors medical care and communication to the individual needs and preferences of each patient or customer, considering their medical history, lifestyle, and unique health conditions.
How does personalized communication improve patient outcomes?
Personalized communication helps patients feel valued and understood, leading to increased engagement, better adherence to treatment plans, and improved overall satisfaction with their healthcare providers and suppliers.
What tools help healthcare providers personalize communication?
HIPAA-compliant tools like secure email, text messaging, and patient portals enable healthcare providers to deliver personalized communication while ensuring privacy and security.
Why is HIPAA compliance crucial in personalized healthcare?
HIPAA compliance is essential because it protects patient privacy and ensures that personal health information (PHI) is handled securely, particularly when used for personalized communication.
SMTP TLS encryption is popular because it provides adequate data protection without creating a complicated user experience for email recipients. Sometimes, though, the experience is too seamless, and recipients may wonder if the message was protected at all.
Luckily, there is a way to tell if an email was encrypted using TLS. To see if a message was sent securely, we can look at the raw headers of the email. However, it requires some knowledge and experience to understand the text. It is actually easier to tell if a recipient’s server supports TLS than to tell if a particular message was securely transmitted.
To analyze a message for transmission security, we will look at an example email message sent from Hotmail to LuxSci. We will explain what to look for when decoding the message headers and how to tell if the email was transmitted using TLS encryption.
An Example Email Message
First, we must understand how an email message typically travels through several machines on its way from the sender to the recipient. Roughly speaking:
The sender’s computer talks to the sender’s email or WebMail server to upload the message.
The sender’s email or WebMail server then talks to the recipient’s inbound email server and transmits the message to them.
Finally, the recipient downloads the message from their email server.
It is step 2 that people are most concerned about when trying to understand if their email message is transmitted securely. They usually assume or check that everything is secure and OK at the two ends. Indeed, most users who need to can take steps to ensure that they are using SSL-enabled WebMail or POP/IMAP/SMTP/Exchange services so that steps 1 and 3 are secure. The intermediate step, where the email is transmitted between two different providers, is where messages may be sent insecurely.
To determine if the message was transmitted securely between the sender’s and recipient’s servers (over TLS), we need to extract the “Received” header lines from the received email message. If you look at the source of the email message, the lines at the top start with “Received.” Let’s look at an example message from a Hotmail user below. The email addresses, IPs, and other information are obviously fake.
LuxSci:
The Outlook email was sent to a LuxSci user. The Received headers appear in reverse chronological order, starting with the server that touched the message last. Therefore, in this example, we see the LuxSci servers first.
Received: from abc.luxsci.com ([1.1.1.1])
by def.luxsci.com (8.14.4/8.13.8) with ESMTP id r7JEfLgH003867
(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT)
for <user-xyz@def.luxsci.com>; Mon, 19 Aug 2019 10:41:21 -0400
Received: from abc.luxsci.com (localhost.localdomain [127.0.0.1])
by abc.luxsci.com (8.14.4/8.13.8) with ESMTP id r7JEfK0Z030182
for <user-xyz@def.luxsci.com>; Mon, 19 Aug 2019 09:41:20 -0500
Received: (from mail@localhost)
by abc.luxsci.com (8.14.4/8.13.8/Submit) id r7JEfKXD030178
for user-xyz@def.luxsci.com; Mon, 19 Aug 2019 09:41:20 -0500
Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [2.2.2.2])
by abc.luxsci.com (8.14.4/8.13.8) with ESMTP id r7JEfIkK030002
(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT)
for <someone@luxsci.net>; Mon, 19 Aug 2019 09:41:19 -0500
Proofpoint:
LuxSci uses an email filtering service, Proofpoint. Messages reach Proofpoint’s servers before being delivered to LuxSci. Here’s what their servers report about the email transmission:
Received: from unknown [65.54.190.216] (EHLO bay0-omc4-s14.bay0.hotmail.com)
by dispatch1-us1.ppe-hosted.com.ppe-hosted.com
(envelope-from <someone@hotmail.com>);
Mon, 19 Aug 2019 08:41:18 -0600 (MDT)
Outlook:
And finally, here’s what we see from Oultook’s server.
Received: from BAY403-EAS373 ([65.54.190.199]) by bay0-omc4-s14.bay0.outlook.com
with Microsoft SMTPSVC(6.0.3790.4675);
Mon, 19 Aug 2019 07:41:19 -0700
How to Use Received Message Headers to Tell if the Email is Encrypted
The message headers contain information that can help us determine if an email is encrypted. Here are a few helpful notes to help you decode the text:
We said this above, but the message headers appear in reverse chronological order. The first one listed shows thelast server that touched the message; the last one is the first server that touched it (typically the sending server).
Each Received line documents what a server did and when.
There are three sets of servers involved in this example: one machine at Hotmail, one machine at Proofpoint, where our Premium Email Filtering takes place, and some machines at LuxSci, where final acceptance of the message and subsequent delivery happened.
Presumably, the processing of email within each provider is secure. The place to be concerned about is the hand-offs between Hotmail and Proofpoint and between Proofpoint and LuxSci, as these are the big hops across the internet between providers.
In the line where LuxSci accepts the message from Proofpoint, we see:
This section, typical of most email servers running “sendmail” with TLS support, indicates that the message was encrypted during transport with TLS using 256-bit AES encryption. (“Verify=not” means that LuxSci did not ask Proofpoint for a second SSL client certificate to verify itself, as that is not usually needed or required for SMTP TLS to work correctly). Also, “TLSv1/SSLv3” is a tag that means that “Some version of SSL or TLS was used;” it does not mean that it was SSL v3 or TLS v1.0. It could have been TLS v1.2 or TLS v1.3.
So, the hop between Proofpoint and LuxSci was locked down and secure. What about the hop between Hotmail and Proofpoint? The Proofpoint server’s Received line makes no note of security at all! This means that the email message was probably not encrypted during this step.
Hotmail either did not support opportunistic TLS encryption for outbound emails, or Proofpoint did not support receipt of messages over TLS, and thus, TLS could not be used. With additional context, you can know which server supports TLS and which does not.
In this case, we know that Proofpoint supports inbound TLS encryption. In fact, from another example message where LuxSci sent a message to Proofpoint, we see the Received line:
Received: from unknown [44.44.44.44] (EHLO wgh.luxsci.com)
by dispatch1-us1.ppe-hosted.com.ppe-hosted.com
(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
with ESMTP id b-022.p01c11m003.ppe-hosted.com
(envelope-from <from@domain.com>);
Mon, 02 Feb 2009 19:28:27 -0700 (MST)
The red text makes it clear that the message was indeed encrypted. Based on the additional context, we can deduce that the Hotmail sending server did not securely transmit the email using TLS.
How To Tell if an Email is Encrypted With TLS
When analyzing your message headers, consider the following items to determine if the email is encrypted:
The receiving server will log what kind of encryption, if any, was used in receiving the message in the headers.
Different email servers use different formats and syntax to display the encryption used. Look for keywords like “SSL,” “TLS,” and “Encryption,” which will signify this information.
Not all servers will record the use of encryption. While LuxSci has always logged encryption use, not every email service provider does. It is possible to use TLS encryption and not log it. Sometimes, there is no way to tell from the headers if a message is encrypted if it is not logged.
Messages passed between servers at the same provider do not necessarily need TLS encryption to be secure. For example, LuxSci has back-channel private network connections between many servers so that information can be securely passed between them without SMTP TLS. So, the lack of TLS usage between two servers does not mean the transmission between them was “insecure.” You may also see multiple received lines listing the same server: the server passes the message between different processes within itself. This communication also does not need to be TLS encrypted.
If you are a LuxSci customer, you can view online email delivery reports to see if TLS was used for any particular message. We record the kind of encryption in the delivery reports, so it’s easy to see which emails were encrypted.
How can you Ensure Emails Are Securely Transmitted?
With some servers not recording TLS in message headers, how can you determine if a message was transmitted securely from sender to recipient?
To answer this question accurately, you must understand the properties, servers, and networks involved. It may be easy to determine that the message was transmitted securely if included in the header information. However, the absence of information does not necessarily mean the message was insecurely transmitted. You can only know this if you know what each system’s servers record.
In our example of a message from Hotmail to LuxSci, you need to know that:
Proofpoint and LuxSci will always log the use of TLS in the headers. We can infer that the Hotmail to Proofpoint transmission was not secure as nothing was recorded there.
The transmission of messages within LuxSci’s infrastructure is secure due to private back channel transmissions. So, even though there is no mention of TLS in every Received line after LuxSci accepts the message from Proofpoint (in this example), transferring the messages between servers in LuxSci is as secure as using TLS. Also, the same server can add multiple received lines as it talks to itself. Generally, these hand-offs on the same server will not use TLS, as there is no need. In the LuxSci example, we see this as “abc.luxsci.com” adds several headers.
We don’t know anything about Hotmail’s email servers, so we don’t know how secure the initial transmissions within their network are. However, since we know they did not securely transmit the message to Proofpoint, we are not confident that the transmissions and processing within Hotmail (which may have gone unrecorded) were secure.
Was the email message sent and received using encryption?
We skipped steps 1 and 3 and focused on step 2 – the transmission between servers. Steps 1 and 3 are equally, if not more, necessary. Why? Because eavesdropping on the internet between ISPs is less of a problem than eavesdropping near the sender and recipient (i.e., in their workplace or local wireless hotspot). So, it’s essential to ensure messages are sent securely and received securely. This means:
Sending: Use SMTP over SSL or TLS when sending messages from an email client or use WebMail over a secure connection (HTTPS).
Receiving: Ensure your POP or IMAP connection is secured via SSL or TLS. If using WebMail to read your email, be sure it is over a secure connection (HTTPS).
WebMail: There is generally no record in the email headers to indicate if a message sent using WebMail was transmitted from the end-user to WebMail over a secure connection (SSL/HTTPS).
You can typically control one side and ensure it is secure; you can’t control the other without taking extra steps. So, what can you do to ensure your message is secure even if it might not be transmitted with encryption or if the recipient tries to access it insecurely?
You could use end-to-end email encryption (like PGP or S/MIME, which are included in SecureLine) or a secure web portal that doesn’t require the recipient to install or set up anything to get your secure email message. These methods meet HIPAA and other regulatory compliance requirements for secure data transmission and provide complete confidence that the message will be sent and received securely.
LuxSci’s SecureLine offers flexible encryption options, including TLS, secure web portal, PGP, and S/MIME. Its dynamic capabilities can determine what types of encryption the recipient’s server supports to ensure your emails are always sent securely. Contact our team today to learn more about how to secure your emails.
A HIPAA email retention policy should include classification procedures for different email types, retention schedules based on content and legal requirements, secure storage and disposal methods, access controls for archived communications, and compliance monitoring procedures. The policy must address both HIPAA documentation requirements and broader legal obligations while providing clear guidance for staff implementation and ongoing management. Healthcare organizations need comprehensive retention policies that address complex regulatory landscapes without creating unnecessary administrative burden. Well-designed policies help ensure compliance while managing storage costs and supporting operational efficiency across the organization.
Email Classification and Categorization Guidelines
Content-based categories help staff identify appropriate retention periods by distinguishing between patient care communications, administrative messages, and marketing materials. Each category should have clear examples and decision criteria to ensure consistent application. PHI identification procedures enable staff to recognize when email communications contain protected health information requiring special handling and extended retention periods. These procedures should address obvious PHI like patient names as well as indirect identifiers that could reveal patient information. Business purpose classification distinguishes between emails supporting patient treatment, healthcare operations, payment activities, and other organizational functions. Different business purposes may trigger different retention requirements under various regulatory programs.
Retention Schedule Specifications
Minimum retention periods should reflect the longest applicable requirement from HIPAA email retention policy, state medical record laws, federal programs, and organizational needs. The policy should clearly state these periods for each email category and explain the basis for each requirement. Maximum retention limits help organizations manage storage costs and reduce litigation exposure by establishing when emails should be destroyed unless legal holds or other special circumstances require continued preservation. These limits should balance compliance needs with practical considerations. Exception procedures provide guidance for situations requiring deviation from standard retention schedules such as litigation holds, ongoing investigations, or patient access requests. These procedures should specify approval processes and documentation requirements for exceptions.
Storage and Archive Management Requirements
Security standards for archived emails must maintain the same level of PHI protection as active communications throughout the retention period. The policy should specify encryption requirements, access controls, and monitoring procedures for archived communications. Storage location specifications define where different types of email communications should be preserved including on-premises systems, cloud services, or hybrid approaches. These specifications should address data sovereignty, vendor requirements, and disaster recovery needs. Migration procedures ensure that archived emails remain accessible as technology systems change over time. The policy should address format preservation, system upgrades, and vendor transitions that could affect archived email accessibility.
Access Control and Retrieval Procedures
Authorization requirements define who can access archived email communications and under what circumstances. The policy should establish role-based permissions that limit access to personnel with legitimate business needs while maintaining audit trails. Search and retrieval protocols provide step-by-step procedures for locating archived emails during audits, legal discovery, or patient access requests. These protocols should specify search parameters, documentation requirements, and quality control measures. Emergency access procedures enable retrieval of archived communications during urgent situations when normal approval processes might delay patient care. These procedures should include alternative authorization methods and enhanced audit requirements.
Disposal and Destruction Standards
Secure deletion methods ensure that email content and metadata are completely removed when retention periods expire. The policy should specify approved destruction techniques that prevent unauthorized recovery of PHI from disposed communications. Certification requirements mandate documentation of email destruction activities including dates, methods used, and personnel responsible. These certifications support compliance demonstrations and help track disposal activities across the organization. Media destruction procedures address proper disposal of storage devices containing archived emails when equipment reaches end of life. A HIPAA email retention policy should specify physical destruction or certified wiping procedures that prevent PHI recovery.
Compliance Monitoring and Audit Support
Review schedules establish regular assessment of email retention practices to ensure continued compliance with policy requirements and changing regulations. These reviews should evaluate policy effectiveness, system performance, and staff compliance. Audit preparation procedures provide guidance for responding to regulatory reviews or legal discovery requests involving archived email communications. These procedures should include search protocols, production formats, and timeline management. Performance tracking helps organizations measure their success in meeting retention obligations while identifying areas needing improvement. Key metrics might include retention compliance rates, retrieval response times, and storage cost management.
Staff Training and Implementation Guidance
Training requirements specify education that personnel must receive about email retention obligations and their role in policy implementation. Training should cover classification procedures, retention schedules, and proper handling of archived communications. Implementation timelines provide realistic schedules for deploying new retention policies while allowing adequate time for staff training, system configuration, and process development. These timelines should consider organizational capacity and change management needs. Resource allocation addresses personnel, technology, and financial requirements for effective email retention policy implementation. The policy should specify roles and responsibilities while identifying budget needs for ongoing operations.
Legal and Regulatory Compliance Integration
Regulatory coordination ensures that a HIPAA email retention policy is adhered to, aligning with requirements from state laws, federal programs, and professional licensing boards. The policy should identify all applicable requirements and explain how conflicts are resolved. Legal hold procedures provide immediate preservation capabilities when litigation is anticipated or pending. These procedures should include notification processes, scope determination, and coordination with legal counsel to ensure comprehensive preservation. Update mechanisms ensure that retention policies remain current as regulations change or organizational needs evolve. A HIPAA email retention policy should specify review frequencies, approval processes, and communication procedures for policy modifications.
