How to Secure SMTP Email Delivery with TLS

Business Solutions, HIPAA Compliant Email, HIPAA Email Marketing
Erik Kangas
August 29, 2023

Secure email sending is a priority for organizations that communicate sensitive data externally. One of the most common ways to send secure emails is with SMTP TLS. TLS stands for Transport Layer Security and is the successor of SSL (Secure Socket Layer). TLS is one of the standard ways that computers on the internet transmit information over an encrypted channel. In general, when one computer connects to another computer and uses TLS, the following happens:

Computer A connects to Computer B (no security)
Computer B says “Hello” (no security)
Computer A says, “Let’s talk securely over TLS” (no security)
Computers A and B agree on how to do this (secure)
The rest of the conversation is encrypted (secure)

In particular:

The conversation is encrypted
Computer A can verify the identity of Computer B (by examining its SSL certificate, which is required for this dialog)
The conversation cannot be eavesdropped upon (without Computer A knowing)
A third party cannot modify the conversation
Third parties cannot inject other information into the conversation.

TLS and SSL help make the internet a more secure place. One popular way to use TLS is to secure SMTP to protect the transmission of email messages between servers.

Secure SMTP Email Delivery with TLS

The mechanism and language by which one email server transmits email messages to another email server is called Simple Mail Transport Protocol, or SMTP. For a long time, email servers have had the option of using TLS to transparently encrypt the message transmission from one server to another.

When available, using TLS with SMTP ensures the message contents are secured during transmission between the servers. Unfortunately, not all servers support TLS! Many email providers, especially free or public ones, have historically not supported TLS. Thankfully, the trend is shifting. LuxSci found that most providers now support TLS- approximately 85% of domains tested as of July 2022.

Using TLS requires that the server administrators:

purchase SSL certificates
configure the email servers to use them (and keep these configurations updated)
allocate additional computational resources on the email servers involved.

For TLS transmission to be used, the destination email server must offer support for TLS, and the sending computer or server must be configured to use TLS connections when possible.

The sending computer or server could be configured for:

No TLS: never use it.
Opportunistic TLS: use it if available; if not, send it insecurely.
Forced TLS: use TLS or do not deliver the email at all.

How Secure is Email Delivery over SMTP TLS?

TLS protects the transmission of the email message contents. It does nothing to protect the security of the message before it is sent or after it arrives at its destination. For that, other encryption mechanisms may be used, such as PGP, S/MIME, or storage in a secure portal.

For sending sensitive information to customers, transmission security is the minimum standard for compliance with healthcare and financial regulations. TLS is appropriate to meet most compliance requirements and offers an excellent alternative to more robust and less user-friendly encryption methods (like PGP and S/MIME).

There are different versions of TLS- 1.0 and 1.1 use older ciphers and are not as secure, while TLS 1.2 and 1.3 use newer ciphers and are more secure. When an email is sent, the level of TLS used is as secure as can be negotiated between the sending and receiving servers. If they both support strong encryption (like AES 256), then that will be used. If not, a weaker grade of encryption may be used. The sending and receiving servers can choose the types of encryption they will support. If there is no overlap in what they support, then TLS will fail (this is rare).

What About Replies to Secure Messages?

Let’s say you send a message to someone that is securely delivered to their inbox over TLS. Then, that person replies to you. Will that reply be secure? This may be important if you are communicating sensitive information. The reply will use TLS only if:

The recipient’s servers support TLS for outbound email (there is no way to test this externally).
The mail servers (where the “From” or “Reply” email address is hosted) support TLS for inbound email.
Both servers support overlapping TLS ciphers and protocols and can agree on a mutually acceptable means of encryption.

Unless familiar with the providers in question, it cannot be assumed that replies will use TLS. So, what should you do? Ultimately, it depends on what compliance standards you must meet, the level of risk you are willing to accept, and the types of communications you send. There are two general approaches to this question:

Conservative. If replies must be secure in all cases, assuming TLS will be used is unreasonable. In this case, a more secure method should be used to encrypt the messages in transit and store them upon arrival. The recipient must log in to a secure portal to view the message and reply securely. Alternatively, PGP or S/MIME could be used for additional security.
Aggressive. In some compliance situations like HIPAA, healthcare providers must ensure that ePHI is sent securely to patients. However, patients are not beholden to HIPAA and can send their information insecurely to anyone they want. If the patient’s reply is insecure, that could be okay. For these reasons, and because using TLS for email security is so easy, many do not worry about the security of email replies. However, this should be a risk factor you consider in an internal security audit. Consider nuanced policies that allow you to send less sensitive messages with TLS while sending more sensitive messages with higher security.

What are the Weaknesses of SMTP TLS?

As discussed, SMTP TLS has been around for a long time and has recently seen a great deal of adoption. However, it has some deficiencies compared to other types of email security:

There is no mandatory support for TLS in the email system.
A receiver’s support of the SMTP TLS option can be trivially removed by an active man-in-the-middle because TLS certificates are not actively verified.
Encryption is not used if any aspect of the TLS negotiation is undecipherable/garbled. It is very easy for a man-in-the-middle to inject garbage into the TLS handshake (which is done in clear text) and have the connection downgraded to plain text (opportunistic TLS) or have the connection fail (forced TLS).
Even when SMTP TLS is offered and accepted, the certificate presented during the TLS handshake is usually not checked to see if it is for the expected domain and unexpired. Most MTAs offer self-signed certificates as a pro forma. Thus, in many cases, one has an encrypted channel to an unauthenticated MTA, which can only prevent passive eavesdropping.

The Latest Updates to Secure SMTP TLS

Some solutions help remedy these issues—for example, SMTP Strict Transport Security. SMTP STS enables recipient servers to publish information about their SMTP TLS support in their DNS. This prevents man-in-the-middle downgrades to plain text delivery, ensures more robust TLS protocols are used, and can enable certificate validation.

In addition, users can adopt TLS 1.3. NIST recommends that government agencies develop migration plans to support TLS 1.3 by January 1, 2024. LuxSci supports both SMTP MTA-STS and TLS 1.3.

How Secure SMTP TLS Email Works with LuxSci

Inbound TLS

LuxSci’s inbound email servers support TLS for encrypted inbound email delivery from any sending email provider that also supports that. For selected organizations, LuxSci also locks down its servers to only accept email from them if delivered over TLS.

Outbound Opportunistic TLS

LuxSci’s outbound email servers will always use TLS with any server that claims to support it and with whom we can talk TLS v1.0+ using a strong cipher. The message will not be sent securely if the TLS connection to such a server fails (due to misconfiguration or no security protocols in common). Outbound opportunistic TLS encryption is automatic for all LuxSci customers, even those without SecureLine.

Forced TLS

When Forced TLS is enabled, the message is either dropped or sent with an alternate form of encryption if the recipient’s server does not support TLS. This ensures that messages will never be sent insecurely. Forced TLS is also in place for all LuxSci customers sending to banks and organizations that have requested that we globally enforce TLS to their servers.

Support for strong encryption

LuxSci’s servers will use the strongest encryption supported by the recipient’s email server. LuxSci servers will never employ an encryption cipher that uses less than 128 bits (they will fail to deliver rather than deliver via an excessively weak encryption cipher), and they will never use SSL v2 or SSL v3.

Does LuxSci Have Any Other Special TLS Features?

When using LuxSci SecureLine for outbound email encryption:

SMTP MTA STS: LuxSci’s domains support SMTP MTA STS, and LuxSci’s SecureLine encryption system leverages STS information about recipient domains to improve connection security.
Try TLS: Account administrators can have secure messages “try TLS first” and deliver that way. If TLS is unavailable, the messages would fall back and use more secure options like PGP, S/MIME, or Escrow. Email security is easy, seamless, and automatic when communicating internally or with others who support TLS.
TLS Exclusive: This is a special LuxSci-exclusive TLS sending feature. TLS Exclusive is just like Forced TLS, except that messages that can’t connect over TLS are just dropped. This is ideal for low-importance emails that must still be compliant, like email marketing messages in healthcare. In such cases, the ease of use of TLS is more important than receiving the message.
TLS Only Forwarding: Account administrators can restrict any server-side email forwarding settings in their accounts from allowing forwarding to any email addresses that do not support TLS for email delivery.
Encryption Escalation: Often, TLS is suitable for most messages, but some messages need to be encrypted using something stronger. LuxSci allows users to escalate the encryption from TLS to Escrow with a click (in WebMail) or by entering particular text in the subject line (for messages sent from email programs like Outlook).
Domain Monitoring: When TLS delivery is enabled for SecureLine accounts, messages will never be insecurely sent to domains that purport to be TLS-enabled, i.e., TLS delivery is enforced and no longer “opportunistic.” The system monitors these domains and updates their TLS-compliance status daily.
Double Encryption: Messages sent using SecureLine and PGP or S/MIME will still use Opportunistic TLS whenever possible for message delivery. In these cases, messages are often “double encrypted.” First, they are encrypted with PGP or S/MIME and may be encrypted again during transport using TLS.
No Weak TLS: Unlike many organizations, LuxSci’s TLS support for SMTP and other servers only supports those protocol levels (e.g., TLS v1.0+) and ciphers recommended by NIST for government communications and which are required for HIPAA. So, all communications with LuxSci servers will be over a compliant implementation of TLS.

For customers who can use TLS to meet security or compliance requirements, it enables seamless security and “use of email as usual.” SecureLine with Forced TLS enables clients to take advantage of this level of security whenever possible while automatically falling back to other methods when TLS is unavailable.

Of course, using Forced TLS as the sole method of encryption is optional; if your compliance needs are more substantial, you can turn off TLS-Only delivery or restrict it so that it is used only with specific recipients.

If your email use cases are complicated, LuxSci’s flexibility enables the secure sending of emails to any recipient, regardless of their email service provider’s support for TLS. Contact the LuxSci sales team to learn more about our secure SMTP TLS email sending.

Erik Kangas

With 30 years engaged in to both academic research and software architecture, Erik Kangas is the founder and Chief Technology Officer of LuxSci, playing a core role in building the company into the market leader for HIPAA compliant, secure healthcare communications solutions that it is today. An international lecturer on messaging security, Erik also advises and consults on email technology strategies and best practices, secure architectures, and HIPAA compliance. Erik holds undergraduate degrees in physics and mathematics from Case Western Reserve University, and a doctoral degree in computational biophysics from MIT. Erik Kangas — LinkedIn

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The HIPAA Security Rule Missed Its May Deadline — Here’s What We Know

June 9, 2026
Pete Wermter

The proposed HIPAA Security Rule update has become one of the most closely watched healthcare compliance developments in recent years. Designed to strengthen cybersecurity protections for electronic protected health information (ePHI), the proposal could significantly reshape how healthcare organizations approach risk management, ePHI encryption, and mandatory email encryption requirements.

A final rule was expected as early as May 2026. However, that deadline has now passed without publication from the U.S. Department of Health and Human Services (HHS) Office for Civil Rights (OCR).

So, what happens next—and what should healthcare IT directors, CISOs, and compliance officers do now?

Where Things Stand Today

The HIPAA Security Rule Notice of Proposed Rulemaking (NPRM) was published on January 6, 2025, with the goal of strengthening cybersecurity protections for ePHI in response to escalating ransomware attacks, healthcare breaches, and growing concerns about cyber resilience across the healthcare sector.

The proposal generated thousands of public comments from healthcare providers, payers, business associates, technology vendors, and industry groups. OCR has spent much of the past year reviewing this feedback and evaluating the operational and financial impact of the proposed changes.

Although the Spring Unified Regulatory Agenda identified May 2026 as a target date for a final rule, that milestone came and went without publication. As of June 2026, the proposed HIPAA Security Rule update remains under review.

While some organizations may be tempted to take a wait-and-see approach, the missed deadline should not be interpreted as a signal that the initiative has stalled. If anything, the proposal offers valuable insight into the future direction of healthcare cybersecurity regulation.

The Growing Focus on Mandatory Email Encryption

One of the most discussed aspects of the proposed HIPAA Security Rule update is encryption.

Under the current HIPAA Security Rule, encryption is generally classified as an “addressable” implementation specification. Organizations can choose alternative safeguards if they document and justify their decisions through a risk analysis process.

The proposed changes would significantly reduce that flexibility. Instead, many security safeguards, including encryption controls, would become more prescriptive and difficult to avoid.

While the final language has not yet been released, healthcare organizations should pay close attention to the proposal’s clear message: protecting ePHI through encryption is increasingly viewed as a baseline cybersecurity requirement.

This is particularly important for email communications.

Email remains one of the most widely used communication channels in healthcare, supporting everything from patient engagement and care coordination to billing, scheduling, and marketing communications. As regulators continue to focus on reducing data breach risks, mandatory email encryption is emerging as a likely area of increased scrutiny.

What Healthcare Organizations Should Do Now

The current delay creates an opportunity, not a reason to postpone action.

Healthcare organizations can begin preparing for likely requirements today by evaluating the security controls highlighted throughout the proposed rule.

Key areas to review include:

Encryption of ePHI across systems and communications channels
Comprehensive asset inventories and ePHI data mapping
Enhanced risk analysis and risk management processes
Multifactor authentication (MFA)
Vulnerability scanning and penetration testing
Incident response planning and testing
Backup and recovery procedures
Email security and secure email encryption practices

Organizations that proactively strengthen these areas now will be better prepared regardless of the final rule’s implementation timeline.

Why Secure Email Encryption Should Be a Priority

For many healthcare organizations, email remains one of the largest compliance and security risks.

Human error, misdirected messages, phishing attacks, and inconsistent encryption practices continue to contribute to breaches involving protected health information. As a result, secure email encryption is increasingly becoming a foundational component of healthcare cybersecurity strategies.

Organizations that rely on manual encryption processes or employee judgment alone may find it difficult to meet evolving regulatory expectations.

Instead, healthcare organizations should look for solutions that automate encryption decisions, reduce user error, and provide flexibility based on the sensitivity of the communication.

At LuxSci, we have long believed that security and usability must work together. We are 100% focused on secure healthcare communications, helping healthcare providers, payers, and suppliers protect sensitive data while improving patient and customer engagement. Our proven secure email solutions, used by leading companies including Athenahealth, 1-800 Contacts, and Hinge Health, help organizations protect ePHI with automated encryption capabilities that support both compliance and operational efficiency. Our unique SecureLine encryption technology enables organizations to apply the appropriate level of protection while maintaining a seamless experience for patients, customers, and staff.

For organizations already using Microsoft 365 or Google Workspace, LuxSci Secure Email Gateway can add HIPAA-compliant email security and encryption without requiring users to change their existing workflows. This approach helps reduce risk, while preserving productivity and user adoption.

The Bottom Line

The HIPAA Security Rule final rule may have missed its anticipated May deadline, but the cybersecurity challenges driving the proposal remain very real.

The OCR is still expected to make the rule change, which could require mandatory encryption of ePHI by early 2027.

The time to prepare is now!

Healthcare organizations should view the proposed HIPAA Security Rule update as an advance warning of where regulatory expectations are heading. Stronger cybersecurity controls, enhanced risk management, ePHI encryption, and mandatory email encryption requirements are all likely to remain central themes in future compliance efforts.

The organizations that begin preparing now will not only be better positioned for future regulatory changes, but will also strengthen their ability to protect patient data, reduce risk, and build trust in an increasingly challenging threat landscape.

At LuxSci, we’re proud to support the healthcare industry’s ongoing digital transformation through secure healthcare communications. Our HIPAA-compliant solutions for secure email, email marketing, and forms empower organizations to safely use and protect PHI, while delivering better patient experiences and outcomes.

Ready to strengthen your healthcare cybersecurity strategy?

Learn more about LuxSci and our complete suite of HIPAA compliant email and marketing solutions, or schedule a consultation with one of our healthcare communication experts today.

LuxSci Awarded 20 Badges in the G2 Summer 2026 Reports

May 28, 2026
Pete Wermter

We’re excited to announce that LuxSci has again been recognized by G2 with 20 badges in its just-released Summer 2026 Reports, highlighting our continued leadership in secure healthcare communications and HIPAA compliant email solutions.

The new LuxSci G2 recognitions span several categories, including:

Best Estimated ROI
Best Support
High Performer
Leader

These latest LuxSci G2 awards reflect what matters most to our customers: delivering secure, HIPAA compliant healthcare communications backed by responsive support and measurable business results.

As one of the most trusted providers of HIPAA compliant email, marketing, and forms solutions, we’re proud to see our commitment recognized across multiple product categories and customer satisfaction metrics.

Recognition Built on Customer Experience

LuxSci’s G2 rankings are based on verified customer feedback and real-world user experiences, making these badges especially meaningful to our team.

This year’s Summer Reports recognized LuxSci for consistently delivering value to healthcare organizations looking to securely engage patients and customers while maintaining compliance with HIPAA requirements.

Among the highlights, the LuxSci G2 recognition includes:

Best Estimated ROI, reflecting the measurable value customers achieve through secure healthcare communications and personalization
Best Support, reinforcing LuxSci’s long-standing reputation for responsive, knowledgeable customer service
High Performer badges across multiple categories for customer satisfaction and product performance
Leader recognition for delivering secure, scalable communications solutions trusted by healthcare organizations

At LuxSci, we believe secure communications should also drive better engagement, stronger outcomes and operational efficiency. These recognitions reinforce our focus on helping healthcare providers, payers and suppliers personalize communications while protecting sensitive patient data.

Supporting the Future of Personalized Healthcare Engagement

LuxSci’s secure healthcare communication and patient engagement solutions empower organizations to safely communicate with patients and customers through:

HIPAA-compliant high volume email
Secure email marketing
Secure forms and data collection
Flexible encryption with SecureLine technology

Our solutions are designed to help healthcare organizations improve engagement, streamline workflows and personalize the healthcare journey while maintaining the highest standards of security and compliance.

These latest LuxSci G2 recognitions also build on LuxSci’s broader reputation for security, performance and customer success. Security and trust remain foundational to everything we do, alongside our commitment to delivering smart, responsive support for our customers.

Thank You to Our Customers

We’re grateful to our customers for their continued trust, collaboration and feedback. Their reviews and insights help shape our products and drive ongoing innovation across the LuxSci product set.

To learn more about LuxSci’s secure healthcare communications solutions, contact our team to schedule a secure email assessment or demo.

Connect with us today!

Is OCR Already Enforcing Email Encryption Under the New HIPAA Security Rule?

May 12, 2026
Pete Wermter

Healthcare organizations waiting for the final HIPAA Security Rule updates before improving email encryption and security may already be behind.

While the proposed changes to the HIPAA Security Rule are expected to be finalized in May, the direction from the U.S. Department of Health and Human Services Office for Civil Rights (OCR) is becoming increasingly clear. Across investigations, settlements, and enforcement actions, OCR continues emphasizing stronger technical safeguards, encryption, documented security programs, multi-factor authentication (MFA), risk analysis, and proactive cybersecurity operations.

For healthcare organizations, one area stands directly in the middle of all of these priorities: email.

Email remains a primary communication channel in healthcare — and one of the industry’s largest security vulnerabilities. From unauthorized PHI exposure to phishing attacks and ransomware delivery to account compromise, email continues to be at the center of healthcare cybersecurity incidents.

So, are the proposed HIPAA Security Rule changes hypothetical future guidance or a preview of OCR’s future enforcement expectations?

For healthcare email security, the implications are significant.

Email = Healthcare Cybersecurity Risk

Healthcare organizations rely on email for critical communications and healthcare workflows, including:

Patient communications
Care coordination
Claims and billing notifications
Marketing and engagement
Internal collaboration
Third-party vendor communications
Delivery of sensitive PHI

At the same time, attackers continue targeting email systems because they remain one of the easiest entry points into healthcare environments.

Insecure email workflows create unnecessary exposure of protected health information. Phishing campaigns are becoming more sophisticated. Credential theft attacks are bypassing traditional MFA methods. And business email compromise (BEC) attacks continue rising.

Recent OCR enforcement actions increasingly reflect these realities.

Organizations are being evaluated not simply on whether a breach occurred, but whether they implemented reasonable safeguards beforehand, including encryption, authentication controls, monitoring, access management, and documented risk mitigation processes.

For email systems specifically, that means healthcare organizations should expect increased scrutiny around:

Email encryption enforcement
MFA deployment
Audit logging and retention
Conditional access policies
Vendor security controls
Secure email delivery best practices
Segmentation and infrastructure isolation
Ongoing patch and vulnerability management

In many ways, email infrastructure is becoming a visible test of an organization’s overall cybersecurity posture.

Email Encryption Is Moving From Addressable to Required

Historically, healthcare organizations often interpreted HIPAA email encryption requirements with flexibility because encryption was technically categorized as an “addressable” safeguard under the Security Rule. But, OCR enforcement and broader cybersecurity realities are changing that interpretation rapidly.

Today, failing to encrypt sensitive healthcare communications increasingly creates both security and regulatory risk. The proposed Security Rule updates place even greater emphasis on encryption and technical safeguards. At the same time, OCR investigations continue examining whether organizations properly protected PHI in transit and at rest.

For healthcare email specifically, this creates several growing expectations:

Email encryption should be automated wherever possible
Human error should not determine whether PHI is protected
Organizations should maintain documented encryption policies
Secure delivery methods should adapt dynamically to recipient capabilities
Audit trails should demonstrate how messages were secured

At LuxSci, we have long believed that encryption should operate as a strategic layer of healthcare communications infrastructure, not as a manual user decision.

Our SecureLine email encryption technology automatically applies appropriate encryption methods based on organizational policies and delivery requirements, helping reduce the risks associated with human error while maintaining usability, deliverability and compliance. As enforcement expectations rise, this type of automated security enforcement is becoming increasingly important.

Traditional MFA May No Longer Be Enough

Another major shift emerging from both OCR enforcement trends and the proposed rule updates is the growing importance of stronger authentication models.

Healthcare organizations have historically viewed MFA deployment as sufficient protection. But attackers have adapted quickly.

MFA bypass attacks, token theft, session hijacking, and consent phishing campaigns are increasingly targeting healthcare users. As a result, regulators and cybersecurity experts are placing greater emphasis on phishing-resistant authentication approaches and contextual access controls.

For email environments, organizations should increasingly evaluate:

Whether MFA methods are resistant to phishing attacks
Conditional access policies based on device, location, and behavior
Account monitoring and anomaly detection
Administrative access protections
Session management controls
Logging and authentication auditing

The broader message is clear: healthcare organizations need authentication strategies designed for today’s threat landscape, not yesterday’s compliance checklist.

OCR Wants Proof, Not Just Policies

One of the clearest trends emerging from recent OCR activity is the increasing importance of documentation and operational evidence. Healthcare organizations must increasingly demonstrate not only that safeguards exist, but that they are consistently enforced, monitored, tested, and maintained over time.

For email systems, organizations should be prepared to demonstrate:

Email encryption policies
MFA enforcement records
Audit logs and message tracking
Vendor security documentation
Risk assessments involving email infrastructure
Patch management procedures
Employee security awareness training
Incident response procedures for email-based threats

This represents a broader shift in healthcare cybersecurity expectations.

The question is no longer: “Do you have email security controls?”

The question is increasingly: “Can you prove they are operationally effective?”

Healthcare Organizations Need a New Email Security Strategy

The healthcare industry is entering a new phase of cybersecurity enforcement.

OCR’s direction is becoming increasingly clear: organizations are expected to proactively secure systems handling PHI using modern, documented, and continuously maintained safeguards. For email security specifically, that means organizations should stop treating encryption, MFA, and secure communications as optional compliance requirements. Instead, they should view secure email infrastructure as a strategic component of enterprise cybersecurity and patient trust.

At LuxSci, we help healthcare organizations modernize secure communications with HIPAA compliant email infrastructure designed specifically for healthcare environments, including flexible encryption, secure delivery, auditability, high deliverability, access controls, and dedicated infrastructure options.

The proposed HIPAA Security Rule updates may not yet be final. But, OCR is already signaling where healthcare cybersecurity enforcement is headed next. For organizations relying on email to communicate with patients, members, customers, and partners, the time to examine your secure email infrastructure is now.

Connect with our experts to learn more using the form at the top of this page!

LuxSci Launches Enterprise-Grade HIPAA Compliant Email Security for Mid-Sized Healthcare Organizations

May 5, 2026
Pete Wermter

New right-sized offering brings advanced encryption, easy API integration, and HITRUST-certified compliance to the most underserved segment in healthcare email — with pricing starting at $99/month

CAMBRIDGE, MA — May 5, 2026 — LuxSci, a leading provider of HIPAA compliant secure healthcare communications, today announced the launch of LuxSci Secure High Volume Email for mid-sized healthcare organizations, the industry’s trusted HIPPA-compliant email solution now packaged and priced for mid-size healthcare organizations. Regional health systems, health plans, specialty group practices, urgent care networks, and multi-site regional providers can now access LuxSci’s enterprise-grade email security and encryption infrastructure at published, volume-based pricing — with no custom quote required.

LuxSci Secure High Volume Email for mid-sized healthcare organizations delivers the same HITRUST CSF r2-certified email security and flexible encryption capabilities that power communications for some of the largest healthcare organizations in the industry, including Athenahealth, 1-800 Contacts, Hinge Health and Eurofins. The new LuxSci mid-sized offer is tiered and priced for organizations with email sending volumes of between 300 and 99,000 emails per month.

LuxSci Secure High Volume Email is built on the company’s proprietary SecureLine™ encryption technology, which automatically selects the optimal email encryption method — TLS, secure portal fallback, PGP, or S/MIME — on a per-recipient basis at the time of delivery, with no action required from senders or recipients. This intelligent, adaptive encryption method goes significantly beyond TLS-only or portal fallback models offered by basic platforms, giving mid-market healthcare organizations the flexibility and cybersecurity depth they need as HIPAA regulations tighten and email threats continue to get more sophisticated.

Key capabilities include:

Automatic email encryption via SecureLine™ — encrypt every email and its content, including Protected Health Information (PHI), with per-recipient adaptive encryption across TLS, portal fallback, PGP, and S/MIME.
Advanced REST API with webhooks for dataflows into your systems — supports unlimited messages/hour with failover, queuing, plus webhooks can push email engagement data back to EHRs, CRMs, RCM and customer data platforms.
Comprehensive audit logging and reporting — message-level tracking, delivery status, engagement reporting, and downloadable reports for compliance officers.
HITRUST CSF r2 certification, BAA, GDPR-compliant, and US-EU Privacy Framework agreement all included.
Microsoft 365 and Google Workspace overlay — use LuxSci’s Secure Email Gateway add-on to integrate directly with existing M365 or Google Workspace environments, adding HIPAA-compliant encryption without migration or user retraining.
HIPAA-compliant patient engagement — secure outbound email campaigns with PHI-powered hyper-segmentation, automated workflows, and personalized emails for marketing campaigns, proactive patient communications, appointment reminders, care gap outreach, new plan enrollments, healthcare education, and more — with LuxSci Secure Marketing add-on.

New Published LuxSci Pricing

LuxSci Secure High Volume Emai for mid-sized healthcare organizations features published pricing based on monthly sending volume:

Monthly Send Volume	Monthly Price
300 to 9,999 emails/month	$99/month
10,000 – 29,999 emails/month	$199/month
30,000 – 49,999 emails/month	$299/month
50,000 – 99,999 emails/month	$399/month
100,000+ emails/month	Custom

“Mid-size healthcare organizations have been underserved for too long, forced to choose between inadequate email security tools that weren’t built for healthcare and HIPAA compliance and enterprise level solutions that felt too big or too complex,” said Mark Leanord, CEO of LuxSci. “Our new secure email packaging for mid-sized organizations changes that. We’re making the same encryption depth, ease of integration into EHRs, CRMs and other systems, and compliance rigor that powers our largest customers accessible for mid-sized organizations to easily evaluate and buy.”

Timing and Market Context

The launch comes at a critical moment for mid-size healthcare organizations. The HHS HIPAA Security Rule overhaul, expected to finalize in mid-2026, is anticipated to mandate email encryption as a required safeguard, elevating email security from addressable best practice to a regulatory requirement for thousands of organizations that have not yet upgraded their email security and compliance posture. LuxSci secure email is designed to meet these requirements, backed by HITRUST CSF r2 certification and the company’s 20-year track record in secure healthcare communications.

Availability

LuxSci Secure Email for mid-sized healthcare organizations is available immediately. Pricing and product details are published here.

Users can contact LuxSci to set up a call or DEMO.

About LuxSci

LuxSci is a leading provider of secure healthcare communications solutions for the healthcare industry. The company offers secure email, marketing, forms and hosting, delivering HIPAA‑compliant communication solutions that enable organizations to safely manage and transmit sensitive data, including protected health information (PHI). Founded in 1999 and recently merged with digital care and telehealth provider Ovia Health, LuxSci serves more than 2,000 customers across healthcare verticals, including providers, payers, suppliers, and healthcare retail, home care providers, and healthcare systems, as well as organizations operating in other highly regulated industries. LuxSci is HITRUST‑certified with current customers including Athenahealth, 1800 Contacts, Lucerna Health, Eurofins, and Rotech Healthcare, among others.

###

Media Contact:
Pete Wermter, CMO

pwermter@luxsci.com

What Are the HIPAA Marketing Compliance Requirements?

July 14, 2025
Erik Kangas

HIPAA marketing compliance requires healthcare organizations to obtain written patient authorization before using protected health information for promotional communications, with strict exceptions for treatment communications, appointment reminders, and health-related benefits descriptions. Organizations must distinguish between permissible healthcare operations communications and restricted promotional activities, ensuring that any PHI used for advertising purposes receives explicit patient consent through properly executed authorization forms that detail the intended use, recipients, and patient rights.

Healthcare organizations tend to struggle with the boundary between acceptable patient communications and prohibited promotional activities. Marketing materials that reference patient experiences, treatment outcomes, or demographic information without proper authorization create immediate HIPAA marketing compliance violations.

Authorization Requirements & Marketing Boundaries

Written patient authorization must precede any use of PHI for promotional purposes, including testimonials, case studies, or targeted advertising campaigns. These authorization forms must specify the exact information to be used, identify recipients of the promotional materials, and explain the patient’s right to revoke consent at any time. Healthcare organizations cannot condition treatment or payment on patients providing authorization for promotional activities.

Authorization forms require language elements including expiration dates, patient signature requirements, and clear descriptions of how PHI will be used in promotional contexts. Organizations must maintain signed authorization documents and respect revocation requests immediately upon receipt, stopping all ongoing promotional activities involving that patient’s information.

Treatment Communications Receive Different Standards

Healthcare organizations can communicate directly with patients about treatment alternatives, appointment scheduling, and health-related services without obtaining separate authorization. These communications fall under treatment or healthcare operations rather than promotional activities, allowing providers to send appointment reminders, medication adherence information, and preventive care notifications without additional consent.

Communications that promote third-party products, include financial incentives for referrals, or advertise non-medical services require authorization even when sent to existing patients. Organizations must evaluate each communication to determine whether it serves legitimate healthcare purposes or constitutes promotional activity requiring consent.

Third-Party Vendor Relationships Create Additional Obligations

BAAs with promotional vendors must address PHI handling requirements and specify permitted uses of patient information. Vendors creating promotional materials, managing patient communications, or analyzing treatment data for promotional purposes need appropriate legal frameworks governing their access to protected information.

Healthcare organizations are liable for vendor compliance failures, making careful selection and monitoring of promotional partners essential. Contracts must include breach notification procedures, data destruction requirements, and audit rights to ensure HIPAA marketing compliance with patient information protection standards.

Challenges of Digital Advertising Platforms

Social media advertising, email campaigns, and online promotional activities often involve sharing patient data with technology platforms that may not meet HIPAA requirements. Healthcare organizations must avoid uploading patient contact lists, demographic information, or treatment details to advertising platforms without proper authorization and business associate agreements.

Retargeting campaigns that track patient website visits or online behavior require careful evaluation to ensure no PHI is shared with advertising networks. Organizations should implement protections to prevent accidental transmission of patient information through website analytics, social media pixels, or advertising platform integration.

Patient Testimonials and Case Studies

Using patient stories, photographs, or treatment outcomes in promotional materials requires detailed authorization forms that specify exactly how patient information will be used. These authorizations must address potential future uses, distribution channels, and the duration of consent to prevent compliance violations when promotional materials are repurposed or distributed broadly.

De-identification of patient information offers an alternative to authorization but requires removing all identifying elements according to HIPAA standards. Organizations must ensure that demographic information, treatment dates, and outcome details cannot be combined to identify patients when creating promotional case studies or success stories.

Staff Training & HIPAA Marketing Compliance Violations

Employees involved in promotional activities need training on distinguishing between permissible healthcare communications and restricted promotional activities. Staff must understand authorization requirements, recognize when business associate agreements are necessary, and identify situations requiring legal review before implementing promotional campaigns.

Training updates address new promotional channels, new technology platforms, and changing regulatory interpretations of HIPAA requirements. Organizations should establish clear approval processes for promotional materials and designate compliance personnel to review campaigns before launch.

Common Violations

Recent OCR enforcement cases display the penalties incurred for using patient information in promotional materials without authorization, sharing PHI with advertising vendors without business associate agreements, and failing to honor patient requests to opt out of promotional communications. These violations result in significant financial penalties and corrective action requirements.

Healthcare organizations face scrutiny of their promotional activities, particularly digital advertising campaigns and patient outreach programs. Compliance programs must include audits of promotional materials, vendor relationships, and patient authorization procedures to identify and address potential violations before they result in enforcement actions.

LuxSci Launches Enterprise-Grade HIPAA Compliant Email Security for Mid-Sized Healthcare Organizations

May 5, 2026
Pete Wermter

What Is HIPAA Email Marketing?

May 13, 2025
Pete Wermter

HIPAA email marketing involves digital promotional communications sent by healthcare organizations that must comply with federal privacy regulations when using Protected Health Information (PHI) to reach patients and prospects. Healthcare providers can engage in email marketing activities, but they encounter strict limitations when using patient contact information obtained through clinical encounters or when targeting recipients based on health conditions. The HIPAA Privacy Rule requires written authorization for most email marketing that involves individually identifiable health information, while permitting certain treatment-related communications and health plan activities without patient consent.

Healthcare organizations increasingly rely on email communication to reach patients efficiently while managing costs and improving engagement. Carrying out effective digital marketing while adhering to privacy compliance requires understanding when authorization is needed and how to implement compliant email marketing strategies.

Why Healthcare Organizations Use Email Marketing

Cost efficiency drives healthcare email marketing adoption as organizations seek affordable ways to communicate with large patient populations. Email campaigns cost significantly less than direct mail, print advertising, or telephone outreach while providing measurable engagement metrics. Healthcare systems can reach thousands of patients instantly with preventive care reminders, health education materials, or service announcements at minimal expense per recipient.

Patient engagement improves through targeted email communications that provide relevant health information and service updates. Email marketing allows healthcare organizations to segment audiences based on demographics, health interests, or service utilization patterns. Personalized email content generates higher open rates and click-through rates than generic mass communications, leading to better patient response and participation in health programs.

Competitive positioning requires healthcare organizations to maintain visibility in patient inboxes alongside other service providers and health information sources. Patients receive numerous health-related emails from insurance companies, pharmaceutical manufacturers, wellness apps, and other healthcare entities. Organizations that do not engage in compliant email marketing may lose mindshare and patient loyalty to more communicative competitors.

Revenue generation opportunities emerge from email marketing campaigns that promote elective services, wellness programs, or expanded care offerings. Healthcare organizations can use email to announce new service lines, highlight specialist capabilities, or educate patients about treatment options. Revenue-generating email marketing requires careful attention to HIPAA authorization requirements to avoid compliance violations.

Healthcare Emails Requiring Patient Authorization

Promotional emails for elective services or non-treatment programs require written patient authorization when using contact information obtained through clinical encounters. Healthcare organizations cannot email patients about cosmetic procedures, weight loss programs, or wellness services without explicit consent, even when using their own patient databases. The authorization must specifically address email marketing and describe the types of services being promoted.

Third-party product promotions sent via email require patient authorization regardless of the healthcare organization’s relationship with the product manufacturer. Organizations cannot send emails promoting pharmaceutical products, medical devices, or health-related consumer goods without written patient consent.

Targeted health campaigns that use diagnostic or treatment information to select email recipients require authorization under HIPAA marketing rules. Healthcare organizations cannot send diabetes management emails to patients with diabetes diagnoses or cardiac health information to patients with heart conditions without written permission. The targeting based on health status distinguishes these campaigns from general health education communications.

Social event invitations and fundraising appeals sent via email may require authorization depending on how recipient lists are compiled and whether health information influences targeting decisions. Healthcare organizations can send general fundraising emails to broad patient populations but need authorization when targeting based on specific conditions, treatments, or service utilization patterns.

HIPAA Compliant Treatment-Related Emails

Appointment communications qualify as treatment-related emails that do not require marketing authorization under HIPAA regulations. Healthcare organizations can send appointment confirmations, reminders, and rescheduling notices without patient consent because these communications support ongoing care relationships. Follow-up appointment scheduling and routine care reminders also fall under permissible treatment communications.

Care coordination emails between healthcare providers remain exempt from marketing restrictions when they facilitate patient treatment. Primary care physicians can email specialists about patient referrals, and care teams can coordinate treatment plans via email without authorization requirements. The communications must relate directly to patient care rather than promoting additional services or programs.

Health education materials related to conditions that patients are receiving treatment for do not require marketing authorization. Healthcare organizations can email diabetes management tips to diabetic patients currently receiving care or send cardiac rehabilitation information to patients enrolled in cardiac programs. The education must relate to active treatment relationships rather than general health promotion.

Prescription and laboratory result communications via email support treatment activities and do not trigger marketing restrictions. Healthcare organizations can notify patients about prescription readiness, laboratory result availability, or medication adherence reminders without written authorization. Patient portal notifications about available health information also qualify as treatment communications.

HIPAA Email Marketing Compliance Supports

Encryption protection is necessary for all email communications containing PHI, whether for treatment or marketing purposes. Healthcare organizations must implement appropriate safeguards to protect patient information during email transmission and storage. Email marketing platforms used by healthcare organizations need encryption capabilities and security controls that meet HIPAA Security Rule requirements.

Access controls within email marketing systems ensure that only authorized personnel can access patient contact information and send marketing communications. Role-based permissions limit which staff members can create marketing campaigns, access patient lists, or modify email content. Multi-factor authentication adds security layers that protect against unauthorized access to email marketing platforms containing patient data.

Audit logging capabilities track all activities within HIPAA email marketing systems to create compliance documentation. The systems must log campaign creation, email sends, list access, and user activities to provide audit trails for regulatory reviews. Automated reporting features help healthcare organizations monitor email marketing compliance and identify potential privacy violations.

Opt-out mechanisms are required for all healthcare email marketing communications to provide patients with control over future messaging. Unsubscribe processes must be easy to use and honor patient requests promptly to maintain compliance with both HIPAA and CAN-SPAM regulations. Email marketing systems need automated processing of opt-out requests and suppression list management capabilities.

Obtaining Valid Email Marketing Authorization

Authorization documents for email marketing must include specific elements required by HIPAA Privacy Rule regulations. The authorization must describe what patient information will be used, identify who will receive the information, and explain the purpose of the email marketing communications. Patients must understand their right to revoke authorization and any consequences of refusing to provide consent for marketing activities.

Timing considerations affect when healthcare organizations can request email marketing authorization from patients. Authorization requests should not be bundled with treatment consent forms or presented during medical emergencies when patients cannot provide informed consent. Organizations need separate processes for obtaining marketing authorization that do not interfere with treatment decisions or patient care activities.

Electronic signature capabilities allow healthcare organizations to collect email marketing authorization digitally while meeting HIPAA documentation requirements. Patient portal systems, website forms, or tablet-based signature capture can facilitate authorization collection. Electronic authorization systems must provide adequate authentication and maintain signed documents for audit purposes.

Renewal procedures help healthcare organizations maintain current authorization for ongoing email marketing campaigns. Authorization documents should specify expiration dates or renewal requirements to ensure patient consent remains valid. Entities need systems to track authorization status and remove patients from marketing lists when consent expires or is revoked.

Compliance Challenges Affecting HIPAA Email Marketing

List management complexity creates compliance risks when healthcare organizations use multiple sources of patient contact information for email marketing. Patient lists derived from treatment encounters require different handling than lists compiled from website registrations or health screenings. Organizations need clear policies about which lists can be used for marketing purposes and which require patient authorization.

Content classification challenges arise when determining whether specific email communications qualify as treatment-related or marketing activities. Healthcare organizations may struggle to distinguish between educational content that supports treatment and promotional content that requires authorization. Legal review processes help organizations evaluate email content and determine appropriate compliance requirements.

Vendor management issues emerge when healthcare organizations use third-party email marketing platforms that may not understand healthcare compliance requirements. Marketing vendors need Business Associate Agreements and must implement appropriate safeguards to protect patient information. Organizations remain responsible for vendor compliance with HIPAA requirements even when using external email marketing services.

Cross-platform integration difficulties occur when healthcare organizations attempt to coordinate email marketing with other communication channels or healthcare systems. Patient authorization status must be synchronized across email platforms, patient portals, and electronic health record systems. Data synchronization challenges can create compliance gaps or duplicate communication efforts that frustrate patients and waste resources.

What Are HIPAA Compliant Hosting Requirements?

June 2, 2025
Erik Kangas

HIPAA compliant hosting requirements include administrative policies for workforce training and access management, physical controls for data center security and equipment protection, and information protections for data encryption, access controls, and audit logging. Healthcare organizations using hosting services must ensure providers implement appropriate business associate agreements, security measures, and compliance documentation that meet Privacy and Security Rule obligations for protecting electronic PHI. Healthcare organizations increasingly rely on cloud hosting and managed services to support their operations while reducing internal IT infrastructure costs. Outsourcing hosting responsibilities does not eliminate HIPAA compliant hosting requirements, requiring careful vendor selection and ongoing oversight.

Administrative Protection Standards

Workforce training requirements mandate that hosting providers educate their personnel about HIPAA obligations and PHI handling procedures. All staff with potential access to healthcare client data must understand privacy requirements and security protocols before gaining system access. Access management procedures ensure that hosting provider personnel receive appropriate permissions based on their job responsibilities and healthcare client needs. Role-based access controls limit employee exposure to PHI while enabling necessary system administration and support activities. Security officer designation requires hosting providers to appoint qualified individuals responsible for developing and implementing security policies that protect healthcare client data. Officers must have appropriate authority and expertise to ensure comprehensive compliance across hosting operations.

Infrastructure & HIPAA Compliant Hosting Requirements

Data center security controls must protect servers and network equipment from unauthorized physical access through multiple layers of security including perimeter controls, biometric access systems, and surveillance monitoring. These protections help prevent unauthorized individuals from accessing systems containing PHI. Equipment disposal procedures ensure that storage devices and servers containing healthcare client data receive appropriate destruction when they reach end of life. Hosting providers must implement certified data destruction methods that prevent PHI recovery from disposed equipment. Environmental protections including fire suppression, climate control, and power management help ensure that healthcare client data remains available and protected from physical threats. Systems of this nature support business continuity while maintaining data integrity and accessibility.

Control Measures for HIPAA Compliant Hosting Requirements

User authentication systems verify the identity of individuals accessing hosting infrastructure before granting permissions to view or modify healthcare client data. Multi-factor authentication provides additional security layers for privileged access to systems containing PHI. Unique user identification ensures that hosting provider activities can be traced to specific individuals through comprehensive account management and monitoring systems. These controls support accountability and enable investigation of potential security incidents involving healthcare client data. Emergency access procedures provide alternative authentication methods when normal access controls might delay urgent system maintenance or security response activities. These procedures must include enhanced monitoring and documentation requirements to maintain security while enabling necessary operations.

Audit Controls and Activity Monitoring

Comprehensive logging systems capture detailed records of all activities affecting healthcare client data including user access, system modifications, and data transfers. These logs must be protected from unauthorized modification and preserved for appropriate periods to support compliance demonstrations. Regular log analysis helps hosting providers identify unusual activity patterns that might indicate security threats or compliance violations. Automated monitoring tools can detect suspicious behavior and alert security personnel to potential incidents requiring investigation. Audit trail preservation ensures that activity records remain available for compliance reviews and incident investigations throughout required retention periods. Hosting providers must maintain secure log storage while providing healthcare clients with access to relevant audit information.

Data Integrity and Transmission Security

Encryption implementation protects healthcare client data during storage and transmission through approved cryptographic methods and key management practices. Hosting providers must maintain current encryption standards while ensuring that decryption capabilities remain available for legitimate access needs. Data validation procedures verify that healthcare client information maintains accuracy and completeness throughout processing and storage activities. These procedures help detect unauthorized modifications or corruption that could compromise data integrity or patient care. Backup and recovery systems maintain additional copies of healthcare client data while preserving security protections and access controls. Frequent testing ensures that backup systems function properly and can restore data without compromising compliance requirements.

Network Security and Communication Controls

Firewall configuration creates secure network boundaries that control traffic between healthcare client systems and external networks. These controls help prevent unauthorized access while enabling necessary communication for healthcare operations and patient care. Intrusion detection systems monitor network traffic for potential security threats and unauthorized access attempts involving healthcare client data. Automated alerting helps hosting providers respond quickly to potential incidents while maintaining comprehensive security coverage. Secure communication channels protect data transmission between healthcare clients and hosting infrastructure through encrypted connections and authenticated access methods. These channels help ensure that PHI remains protected during transfer and remote access activities.

Business Associate Agreement Obligations

Contractual requirements establish hosting provider responsibilities for PHI protection including specific security measures, incident response procedures, and compliance monitoring activities. These agreements must address all applicable HIPAA compliant hosting requirements while defining clear performance expectations. Liability allocation between healthcare organizations and hosting providers depends on their respective roles in PHI protection and which party controls different aspects of data security. Clear contractual provisions help define responsibility for various compliance obligations and potential violations. Termination procedures address how healthcare client data is handled when hosting relationships end including data return, destruction, or transfer requirements.

Compliance Monitoring and Vendor Oversight

Risk assessment procedures help healthcare organizations evaluate hosting provider security practices and identify potential vulnerabilities that could compromise PHI protection. These assessments should be conducted regularly and documented to demonstrate due diligence in vendor oversight. Performance monitoring tracks hosting provider compliance with contractual obligations and HIPAA requirements through security audits, incident reviews, and service level assessments. Healthcare organizations must maintain ongoing oversight rather than relying solely on initial vendor evaluations. Documentation requirements ensure that hosting providers maintain records demonstrating their compliance efforts including policies, training materials, audit results, and incident reports. Well kept records support healthcare client compliance demonstrations and regulatory reviews when requested.