Is the Email Encrypted? How to Tell if an Email is Transmitted Using TLS

Business Solutions, HIPAA Compliant Email, HIPAA Email Marketing
LuxSci
January 9, 2024

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 the last 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:

(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT)

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:
1. The receiving server will log what kind of encryption, if any, was used in receiving the message in the headers.
2. 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.
3. 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.
4. 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.
5. 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.

LuxSci

Get in touch

Find The Best Solution For Your Organization

Talk To An Expert & Get A Quote

First Name

Last Name

Work Email

Phone

Company

Type of Inquiry

Company Size

Message (optional)

Acceptance

I consent to be contacted by LuxSci for this inquiry and other relevant content, products, and services. You may unsubscribe from these communications at any time. We're committed to your privacy. For more information, check out our Privacy Policy.

A member of our staff will reach out to you

Search

Get Your Free E-Book!

LuxSci High Email Deliverability Best Practices Paper

What you’ll learn:

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

How Can I Prove an Email was Sent to Me?

January 16, 2024
LuxSci

Almost everyone has been in this situation: someone claims to have sent you an email message, but you look in your inbox and don’t see it. As far as you know, you never got it. How can you prove an email was sent?

How to Prove That an Email was Sent

So, where do you start? As the purported recipient of an email message, the easiest way to prove that a message was sent to you is to have a copy of that message. It could be:

In your inbox or another email folder
A copy in your permanent email archives

Sometimes, missing emails are caused by simple user errors. The obvious place to start the search is in your inbox and email folders. It’s also a good idea to check your email filtering and archival services. It’s possible that your email filtering system accidentally flagged the message as spam or sent it to quarantine. If it’s not there, check your email archival system. That should capture a copy of all sent and received messages.

Hopefully, that will solve the issue. If it doesn’t, it’s worth stepping back to understand where the email could have gone and where you should turn next to solve the problem.

What happened to the email?

In reality, there are only a few things that could have happened:

The recipient never sent the message.
The recipient did send the message, but it did not reach you.
The message did make it to you, but it was accidentally or inadvertently deleted (or overlooked).

Let’s begin with what you can check and investigate. Start your search soon. The more time that elapses, the less evidence you may have, as logs and backups get deleted over time.

Did the recipient actually send the message?

First, you should know that the sender could have put tracking on the message so that they were informed if you opened or read it (even if you are unaware of the tracking). In such cases, the sender can disprove false claims of “I didn’t get it!” If you are concerned about an email being ignored, use read recipients or tracking pixels to confirm email delivery.

If you never saw the message, do what we discussed above and start searching your email folders for it. It could have been accidentally moved to the wrong folder or sent to the Trash folder. If you have a folder that keeps copies of all inbound emails (like LuxSci’s “BACKUP” folder), check there too. Check your spam folder and spam-filtering system. Your spam-filtering system may also have logs that you can search for evidence of this message passing through it. Finally, check any custom email filters you may have set up with your email service provider or in your email programs. If you have filters that auto-delete or auto-reject some messages, see if that may have happened to the message in question.

The searches above are straightforward; you can do many of them yourself. Often, they will yield evidence of the missing message or explain why you might not have received it.

Maybe the email was sent but didn’t make it to you?

Email messages leave a trail as they travel from the sender to the recipient. This trail is visible in the “Received” email headers of the message (if you have it) and in the server logs at the sender’s email provider and your email provider. If you know some aspects of the message in question (i.e., the subject, sender, recipient, and date/time sent), you can ask your email service provider to search their logs to see if there is any evidence of such a message arriving in their systems. This will tell you if such a message reached your email provider. However, email providers can typically only search the most recent one to two weeks of logs. So, if the message in question was from a while ago, your email service provider may be unable to help you (or may charge you a lot of money to manually extract and search archived log files if they have them).

If your email provider has no record of the message or cannot search their logs, you (or the sender) can ask the same question of the sender’s email provider. If they can provide records of such an email being sent through their system, that will prove the email was sent.

The log file analysis provided by the email providers could also explain why you didn’t get the message. Your email address might have been spelled wrong, there could have been a server glitch or issue, etc. However, if the message was sent long ago, the chance of learning anything useful from the email provider is small. Also, if you use a commodity email provider such as AOL, Yahoo, Outlook, Gmail, etc., you may find it impossible to contact a technical support person and have them perform an accurate and helpful log search. Premium providers, like LuxSci, are more likely to support your requests.

The last thing you can do is have the sender review their sent email folders for a copy of that message. If they have it, that can indicate that they sent it and can reveal why you didn’t get it (i.e., wrong email address, content that would have triggered your filters, etc.). However, be wary. It is easy to forge a message in a sent email folder, so it should not be considered definitive proof that the message was sent. And, even so, just because the message was sent, it does not prove it ever made it to your email provider or inbox.

The recipient never actually sent the email message

If the sending event was recent, then the data from your email service provider can prove that the message did not reach you, but that doesn’t prove that it was not sent. The sender may claim that they do not have a record of sent messages and that their email provider will not do log searching, and that may also be true. At this point, you are stuck without a resolution.

While email is a reliable delivery system, there are many ways for messages not to make it to the intended recipient. Whether it was not sent or was sent and never arrived, the result is the same- no message for you. As a result, it’s best not to send legal notices or other important documents only by email. Using read receipts and other technologies when sending important messages can help increase confidence that an email was sent and received. Still, there is no foolproof way to guarantee email delivery.

How Do I Prove the Email Sender’s Identity?

A separate but related question is, how can I be sure the sender is who they say they are? Social engineering is rising, and cybercriminals can use technology to impersonate individuals and companies. If you are questioning whether the sender actually sent the message to your inbox (or if it is from a spammer or cybercriminal), it is necessary to perform a forensic analysis of the email headers (particularly the Received lines, DKIM signatures, etc.) and possibly get the sender’s email provider involved to corroborate the evidence. To learn more about how to conduct this analysis, please read: How Spammers and Hackers Can Send Forged Email.

How to Set Up HIPAA Compliant Email

September 12, 2025
Erik Kangas

Learning how to set up HIPAA compliant email involves selecting appropriate secure email platforms, configuring encryption settings, implementing access controls, and establishing proper business associate agreements with service providers. Healthcare organizations must ensure their email systems meet all HIPAA Security Rule requirements before transmitting any protected health information electronically. The setup process requires careful planning of security configurations, user authentication protocols, and audit logging capabilities that protect patient data throughout transmission and storage.

Platform Selection and Service Provider Evaluation

Choosing the right email service provider is the first step in establishing how to set up HIPAA compliant email. Healthcare organizations evaluating providers must verify their ability to sign comprehensive business associate agreements that specify exactly how patient information will be protected during transmission and storage. The provider’s data centers should maintain appropriate physical security measures, including biometric access controls, environmental monitoring, and redundant power systems that ensure continuous email availability without compromising security. For healthcare organizations that requirement both high performance and high levels of data security with a smaller attack surface, dedicated cloud infrastructure deployments are recommended.

Service provider certifications provide valuable insight into their security capabilities and compliance experience. HITRUST certification specifically addresses healthcare security requirements and indicates that the provider understands the unique compliance challenges facing healthcare organizations. These certifications should be current and available for review during the vendor selection process.

Geographic data residency requirements may influence provider selection depending on organizational policies and patient preferences. Some healthcare organizations prefer email providers that maintain all servers within United States borders to simplify compliance with various state privacy laws. International providers may offer cost advantages but require additional due diligence to ensure their data handling practices meet American healthcare privacy standards.

Scalability considerations affect long-term success when healthcare organizations experience growth or changes in email usage patterns. Email systems should accommodate the inevitable increase in the numbers of users, higher message volumes, and integration with additional healthcare applications and systems, without requiring complete system replacements. Healthcare organizations benefit from understanding how to set up HIPAA compliant email systems that can adapt to changing operational needs while maintaining security standards.

Security Configuration and Encryption Setup

Encryption configuration forms the cornerstone of secure healthcare email systems. Advanced Encryption Standard (AES) 256-bit encryption should activate automatically for all outgoing messages containing patient information, eliminating the risk of staff forgetting to enable security features manually. Transport Layer Security (TLS) 1.2 or higher protocols must secure all connections between email servers, preventing message interception during transmission across public internet networks.

Digital certificate management ensures that email recipients can verify sender authenticity while maintaining message integrity during transmission. Healthcare organizations learning how to set up HIPAA compliant email need certificate authorities that provide reliable identity verification services for their email communications. Certificate renewal processes should operate automatically to prevent service interruptions that could compromise email security or availability.

Key management protocols, such as S/MIME and PGP, protect encryption keys from unauthorized access while ensuring legitimate users can decrypt necessary patient communications. Encryption keys should rotate automatically at predetermined intervals, with secure backup procedures that prevent data loss if primary key storage systems fail. Healthcare organizations must maintain documented procedures for key recovery that balance security requirements with operational necessity.

Message archiving configurations must preserve encrypted email communications for required retention periods while maintaining searchability for audit and legal discovery purposes. Archive systems need the same encryption protections as active email systems, with access controls that limit retrieval to authorized personnel. Backup procedures should test data recovery capabilities while ensuring archived communications remain encrypted throughout the backup and restoration process.

User Access Controls and Authentication

Multi-factor authentication provides essential protection for healthcare email accounts containing patient information. Users should provide at least two forms of identification before accessing their email accounts, typically combining passwords with mobile device verification codes, biometric scans, or hardware security tokens. Authentication systems must integrate smoothly with existing healthcare information systems to avoid creating workflow disruptions that might encourage staff to circumvent security measures.

Role-based access permissions ensure that healthcare staff can only view patient communications relevant to their job responsibilities. Physicians need different access levels compared to billing staff or administrative personnel, with granular controls that prevent unauthorized viewing of patient information outside individual care relationships. Access controls should automatically adjust when staff members change roles within the organization or transfer between departments with different patient access requirements.

Session management protocols track user activities within email systems and automatically terminate inactive sessions to prevent unauthorized access from unattended workstations. Session timeout periods should balance security requirements with operational efficiency, allowing sufficient time for healthcare staff to compose thoughtful patient communications without creating security vulnerabilities. Login attempt monitoring detects potential account compromise situations and triggers appropriate security responses.

Password policies must enforce requirements while avoiding overly burdensome rules that encourage staff to write down passwords or reuse credentials across multiple systems. Password managers can help healthcare staff maintain unique, complex passwords for their email accounts while integrating with single sign-on systems that reduce authentication friction. Organizations mastering how to set up HIPAA compliant email often implement password policies that emphasize length over complexity to improve both security and usability.

Business Associate Agreements and Legal Requirements

Comprehensive business associate agreements (BAA) define the legal framework for email service provider relationships with healthcare organizations. These agreements must specify exactly how the provider will protect patient information, what uses and disclosures are permitted, and detailed procedures for reporting security incidents to the healthcare organization. In turn, business associates need to fully understand their role in BAAs and the shared responsibility model. Agreement terms should address data retention requirements, geographic restrictions on data storage, and procedures for returning or destroying patient information when business relationships terminate.

Liability allocation clauses protect healthcare organizations from financial exposure when email security incidents occur due to provider negligence or system failures. Insurance requirements ensure that email service providers maintain adequate cyber liability coverage to address potential damages from data breaches or privacy violations. Healthcare organizations should verify that provider insurance policies specifically cover HIPAA-related claims and regulatory penalties.

Audit rights allow healthcare organizations to verify that their email providers maintain appropriate security controls and comply with business associate agreement terms. These rights should include access to security audit reports, penetration testing results, and compliance certifications relevant to healthcare data protection. Regular audit schedules help healthcare organizations demonstrate due diligence in vendor oversight during regulatory inspections or legal proceedings.

Termination procedures specify how patient information will be handled when email service relationships end, whether due to contract expiration, service dissatisfaction, or provider business closure. Data return requirements should include specific timelines for transferring patient communications to new email systems, with verification that all copies of patient information are securely destroyed from provider systems. Proper termination planning prevents patient information from remaining in unsupported systems after service relationships end.

Implementation Planning and Testing

Staff training programs must prepare healthcare workers to use secure email systems effectively while maintaining patient privacy throughout all communications. Training should cover how to recognize secure email platforms, procedures for verifying recipient identities before sending patient information, and guidelines for determining what health information is appropriate for email transmission.

Pilot testing allows healthcare organizations to identify potential issues before implementing email systems organization-wide. Pilot programs should can include representative users from different departments and roles to ensure the email system meets diverse operational needs. Testing scenarios should verify that encryption activates properly, access controls function as designed, and audit logging captures all necessary security events for compliance monitoring.

Integration planning addresses how secure email systems will connect with existing electronic health records, practice management software, and other healthcare applications. Data flow mapping helps identify potential security gaps where patient information might transmit between systems without appropriate encryption protection. Healthcare organizations learning how to set up HIPAA compliant email must ensure that all system integrations maintain the same security standards as the primary email platform.

Rollout schedules should phase email system implementation to minimize workflow disruptions while allowing adequate time for user adaptation and troubleshooting. Support procedures must provide healthcare staff with readily available assistance during the transition period when questions about secure email usage are most frequent. Documentation requirements include maintaining records of all configuration settings, security tests, and staff training activities that show compliance with HIPAA requirements.

Monitoring and Maintenance Procedures

When learning how to set up HIPAA compliant email, it is important to know that audit logging systems must capture detailed records of all email activities, including message sending and receiving times, user login attempts, and administrative actions within the email system. Log retention policies should maintain audit records for required periods while ensuring that log storage systems have the same security protections as the primary email platform. Healthcare organizations need procedures for reviewing audit logs to identify potential security incidents or unauthorized access attempts.

Security monitoring tools should provide real-time alerts when unusual email activities occur, such as large volumes of outbound messages, login attempts from unusual locations, or repeated authentication failures. Automated monitoring reduces the burden on healthcare IT staff while ensuring that potential security incidents receive prompt attention. Alert thresholds must balance sensitivity with operational practicality to avoid overwhelming staff with false alarms.

Performance monitoring tracks email system availability, message deliverability, open rates, click-throughs, emails secured. Healthcare organizations mastering how to set up HIPAA compliant email balance security requirements with performance needs, while also recognizing that overly complex systems may encourage staff to find workarounds that compromise patient privacy. Regular performance assessments help identify opportunities to improve both security and user experience within secure email systems.

LuxSci Establishes New Headquarters Offices in Cambridge, Mass.

September 3, 2024
LuxSci

We’re thrilled to announce the opening of LuxSci’s new headquarters offices at Harvard Square in Cambridge, Massachusetts!

The move marks another milestone in our continuing journey to innovate and grow in secure healthcare communications. The new workspace aims to bring our people and teams together for in-person interactions and collaboration, and to better connect with our customers, partners and thought leaders. Located in the heart of one of the world’s most prestigious educational and technology hubs, our new office space reflects our roots and connections to the Massachusetts Institute of Technology (MIT), and our founder Erik Kangas, an MIT alumnus and advisor.

(more…)

What Are HIPAA Email Regulations?

April 16, 2025
Erik Kangas

HIPAA email regulations consist of Privacy Rule requirements for PHI disclosure authorization, Security Rule mandates for electronic information protection, and Breach Notification Rule obligations for incident reporting. These regulations require healthcare organizations to implement administrative policies, security protections, and documentation procedures when using email systems that transmit, store, or access protected health information.Healthcare organizations must navigate multiple layers of federal regulations that govern email usage while maintaining operational efficiency. Understanding how these regulations interact helps organizations develop compliant email practices that support patient care without creating unnecessary administrative burden.

Privacy Rule & HIPAA Email Regulations

Individual rights provisions grant patients control over how their health information is used and disclosed through email communications. Patients can request restrictions on email usage, access copies of their information, and receive notifications about how their PHI is shared electronically. Authorization requirements define when healthcare organizations must obtain written patient consent before using PHI in email communications. Marketing emails, research activities, and certain care coordination communications require explicit patient authorization before transmission. Minimum necessary limitations require healthcare organizations to limit email disclosures to only the PHI needed for the intended purpose. Complete medical records should not be emailed unless the entire record is necessary for the specific communication purpose.

Security Rule Obligations for Electronic Systems

Administrative requirements mandate that healthcare organizations establish email policies, designate security officers, and train workforce members on proper PHI handling procedures. These requirements apply to all email systems that access, transmit, or store electronic PHI. Physical protections must secure email infrastructure including servers, workstations, and mobile devices used to access patient information. Healthcare organizations must control facility access, protect equipment from unauthorized use, and properly dispose of devices containing PHI. Information protections govern how healthcare organizations control access to email systems, verify user identity, and monitor PHI usage. These protections include authentication systems, access controls, and audit capabilities that track email activities involving patient information.

Breach Notification Requirements for HIPAA Email Incidents

Breach definition criteria help healthcare organizations determine when email incidents involving PHI must be reported to patients, regulators, and potentially the media. Not all unauthorized PHI disclosures constitute breaches under HIPAA email regulations. Assessment procedures require healthcare organizations to evaluate email incidents within 60 days to determine whether they meet breach criteria. These assessments must consider factors like the nature of the PHI involved, who received it, and whether it was actually accessed or acquired. Notification timelines specify when healthcare organizations must inform affected patients about email breaches involving their PHI. Patient notifications must be provided within 60 days of breach discovery, while regulatory notifications have different timeframes.

Enforcement Mechanisms and Penalty Structure

Office for Civil Rights oversight includes authority to investigate complaints about healthcare organization email practices and conduct compliance audits. OCR can review email policies, system configurations, and incident response procedures during investigations. Penalty calculations consider factors like the nature of the violation, organization size, and previous compliance history when determining monetary sanctions for email-related HIPAA violations. Penalties can range from thousands to millions of dollars depending on violation severity. Corrective action requirements may mandate specific changes to email policies, staff training programs, or system configurations to address identified compliance deficiencies. These requirements often include monitoring and reporting obligations.

State Law Interactions with Federal Requirements

Preemption analysis helps healthcare organizations understand when state privacy laws provide stronger protections than HIPAA regulations for email communications. Organizations must comply with whichever law provides greater patient privacy protections. Conflicting requirements between state and federal regulations require careful legal analysis to ensure compliance with both sets of obligations. Healthcare organizations may need to implement the most restrictive requirements when laws conflict.

Professional licensing implications may arise when healthcare providers violate email regulations that also constitute professional misconduct under state licensing board rules. These violations can result in both regulatory penalties and professional discipline.

Business Associate Regulatory Obligations

Contractual requirements mandate specific provisions in business associate agreements with email service providers including security protections, breach notification procedures, and audit rights. These contracts must address how vendors will comply with HIPAA email regulations.Liability allocation between healthcare organizations and business associates depends on the specific nature of email services provided and which party controls different aspects of PHI protection. Contracts should clearly define responsibility for various compliance obligations.Vendor oversight obligations require healthcare organizations to monitor business associate compliance with HIPAA email regulations through audits, security assessments, and incident reporting. Organizations cannot rely on contracts without ongoing verification of vendor performance.

Recent HIPAA Email Regulations Guidance

Enforcement trends show increased scrutiny of email security practices and patient authorization procedures. Recent cases demonstrate that OCR is focusing more attention on organizations that fail to implement adequate email protections for PHI. Guidance updates from HHS provide clarification about how HIPAA email regulations apply to new email technologies and usage patterns. Healthcare organizations should monitor these updates to ensure their practices remain compliant with current regulatory expectations. Best practice recommendations from industry organizations and regulatory agencies help healthcare organizations implement email regulations effectively while maintaining operational efficiency. These recommendations provide practical implementation guidance beyond basic regulatory requirements.