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.

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HIPAA Security Rule Update: Email Encryption Rule Delayed to 2027

July 22, 2026
Pete Wermter

If you’ve been waiting for the final word on the new HIPAA Security Rule before you touch your email encryption strategy, you now have an official reason to keep waiting.

Our advice: Don’t do it.

What is the new HIPAA Security Rule for ePHI?

The Department of Health and Human Services’ Office for Civil Rights had targeted May 2026 for a final rule implementing the most significant update to the HIPAA Security Rule in over two decades. The proposal eliminates the “addressable” standard and makes encryption of ePHI in transit and at rest mandatory for every covered entity and business associate. That deadline came and went quietly. Now we know why: an updated federal regulatory agenda shows OCR’s timeline has moved to July 2027, with the rule-making downgraded from “final rule stage” to “long-term action.” OCR is still working through more than 4,700 public comments on the January 2025 proposal.

For an industry that had been expecting a tighter deadline, a year-plus delay is the kind of news that invites a collective exhale — and a shelved project plan. At LuxSci, we think that would be a mistake, for three reasons:

The current rule already requires you to address encryption. “Addressable” was never “optional.” It has always meant you must implement the safeguard, implement an equivalent alternative, or document in writing why neither is reasonable for your organization. Most healthcare organizations have never done that documentation rigorously, and OCR’s existing enforcement authority applies today, not in 2027.
Breach costs haven’t waited for the rule. IBM’s 2025 Cost of a Data Breach Report puts the average healthcare breach at $7.42 million, still the highest of any industry. At the same time, email remains the number one attack vector into healthcare organizations. None of that risk is paused by a regulatory delay.
Delay is not withdrawal. OCR has not signaled it’s abandoning the encryption mandate, only that it’s taking longer to finalize it. Organizations that build now toward the standard already proposed will be ahead (and more secure) regardless of exactly when, or in what final form, the rule lands. Organizations that wait risk a compressed scramble once it does.

What should healthcare IT and compliance leaders actually do with this news?

Reevaluate your ePHI security posture, recalibrate its urgency, and use the extra runway to do the job right, instead of racing against a deadline. This includes:

Getting a real inventory of where ePHI moves by email today, inbound and outbound, and where encryption is inconsistent or absent.
Closing the documentation gap on “addressable” now, while you have time to do it well rather than defensively.
Pushing your email vendor for concrete answers on encryption standards, MFA enforcement, audit logging, and breach notification — the same technical controls the proposed rule would make mandatory.
Building (or updating) a written, enforcement-ready posture: policies, vendor agreements, certifications and verifications, test results, and training records that would hold up under an OCR investigation today, not just in a future compliance deadline.

Get LuxSci’s new Definitive Guide on the new HIPAA Security Rule

From Addressable to Mandatory: Email Encryption Under the New HIPAA Security Rule provides the latest update on the rule, what it means for healthcare email encryption, and what you can do now to properly prepare for what’s coming in 2027. The guide also includes an interactive scorecard that lets you evaluate your current email set up and vendor across seven security and compliance dimensions in under two minutes, no email address required.

You can read the guide here: From Addressable to Mandatory: Email Encryption Under the New HIPAA Security Rule

If you want a second set of eyes on where your organization stands, our team offers a free 30-minute compliance assessment of your current email environment against the proposed rule’s requirements.

Reach out today and schedule a call.

HIPAA Security Rule Email Encryption Requirements

July 8, 2026
Tom Deeb

Your Email Platform Is Becoming Critical Healthcare Infrastructure

July 1, 2026
Pete Wermter

Most healthcare organizations view email as a utility, a necessary tool for sending messages between staff, communicating with patients, sending out newsletters, connecting workflows, and so on. Historically, IT teams focused on keeping it running, security teams worried about phishing, and compliance teams made sure sensitive emails were encrypted.

Today, however, that view is rapidly becoming outdated.

Email has evolved into one of healthcare’s most critical digital infrastructure components, and also one of it’s biggest security threats. It’s a core channel for patient engagement, care coordination, revenue cycle operations, digital marketing, remote monitoring, and increasingly, AI-powered communications. The organizations that recognize this shift are building communications platforms designed for security, performance, automation, and growth. With the new HIPAA Security Rule requiring email encryption on the horizon, those companies that don’t may find themselves constrained by systems that were never intended to support modern healthcare.

Email Is No Longer Just a Messaging Tool

Healthcare organizations now depend on email to support dozens of mission-critical workflows every day.

Patients receive appointment reminders, registration instructions, imaging results, billing notifications, Explanation of Benefits (EOBs), prescription updates, preventive care reminders, patient education, and post-discharge follow-up. Marketing teams deliver personalized wellness campaigns and service line promotions. Clinical systems generate transactional notifications. Revenue cycle teams rely on secure digital communications to accelerate payments and reduce paper costs.

For many organizations, mission-critical patient communications flow through email every month.

When viewed collectively, email is more than a simple communications channel. It has become operational infrastructure with high levels of security needed and increasing compliance requirements.

The Stakes Continue to Rise

As healthcare becomes more digital, every communication carries greater business and clinical importance.

A delayed billing email may postpone payment. A failed appointment reminder can increase no-show rates. An undelivered care management message may impact patient outcomes. A misconfigured security policy can expose protected health information (PHI). Poor deliverability can undermine expensive patient engagement initiatives before they ever reach the inbox.

These are no longer isolated IT issues. Email can affect revenue, patient satisfaction, operational efficiency, compliance, and organizational reputation.

Today’s healthcare leaders require email infrastructure to provide the same reliability and visibility they demand from electronic health records, identity management systems, and other core infrastructure.

AI Is Raising the Bar Even Higher

There’s little doubt that artificial intelligence (AI) promises to transform patient communications.

Healthcare organizations everywhere are exploring AI-generated patient education, personalized outreach, intelligent scheduling, multilingual communications, and automated follow-up programs.

But AI also increases the importance of the underlying communications infrastructure.

Generating more personalized emails means little if organizations cannot:

Automatically protect PHI.
Apply consistent security policies.
Maintain complete audit trails.
Deliver messages reliably.
Integrate with EHRs, RCM and CRM platforms, and customer data platforms.
Demonstrate compliance during an audits.

In many ways, AI amplifies both the opportunities and the risks. Your email platform can help determine whether AI initiatives succeed or create new compliance and operational challenges.

Infrastructure Matters More Than Features

Healthcare buyers have traditionally evaluated email platforms based on individual features such as encryption, spam filtering, or secure portals.

Those capabilities remain important, but they no longer tell the whole story.

Today’s healthcare organizations should be evaluating communications platforms the same way they evaluate any mission-critical infrastructure.

Questions increasingly include:

Can it support both transactional and marketing communications?
Does it automatically enforce security policies without relying on user decisions?
Can it integrate with EHRs, CRM systems, CDPs, and business applications?
Will it scale during peak communication periods?
Does it provide detailed audit logging and reporting?
Can it adapt as regulatory expectations evolve?
Does it maintain high deliverability at enterprise scale?
Does it support single-tenant dedicated infrastructure for high performance and increased security?

These infrastructure characteristics often determine long-term success far more than any single feature comparison.

Email and the Future Of Secure Healthcare Communications

Healthcare is steadily moving toward a world where nearly every patient interaction is digital, personalized, and data-driven.

Healthcare leaders often ask whether they need a more secure email solution. That may be the wrong question.

The better question is whether their communications infrastructure is ready for where healthcare is headed over the next decade.

If you want talk about the future of your healthcare email infrastructure, reach out today and schedule a 30-minute assessment call with our experts.

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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.

Send Secure Emails: Alternatives to Web Portals

December 5, 2023
LuxSci

Digital technologies have entirely shifted how individuals want to interact with their healthcare providers. As consumers have become used to emailing or texting with their hairstylists, mechanics, and other providers to schedule appointments, they want to have the same level of interaction with their healthcare providers.

However, many healthcare organizations find it challenging to deliver the same experience because of their compliance requirements under HIPAA. They must balance usability and access with security and patient privacy. To send secure emails, they often resort to secure web portals.

Problems with Secure Web Portals

One of the most common ways that healthcare organizations communicate securely with patients is by using the secure web portal method of email encryption. In this scenario, messages are sent to a secure web server, and a notification is sent to the recipient, who then logs into the portal to retrieve the message.

While highly secure, this method is not popular with recipients because of the friction it creates.

To maintain a high level of security, users must log in to a separate account to retrieve the message. This extra step creates a barrier, especially for individuals who are not tech-savvy. In addition to creating a new account, they must remember a different username and password to access their secure messages. If the recipient doesn’t have this information readily available, they will likely delete the message and move on with their day. Many users will never bother logging in because of the inconvenience. This creates issues for organizations that want to use email for standard business communications and patient engagement efforts.

While this method may be appropriate for sending highly sensitive information like medical records, financial documents, and other valuable information, many emails that must meet compliance requirements only infer sensitive information and do not require such a high level of security. Flu shot reminder emails are not as sensitive or potentially devastating as sending the wrong medical file to someone. Healthcare organizations need to use secure email solutions that are flexible enough to send only the most sensitive emails to the portal and less sensitive emails using other methods.

How to Meet Compliance Requirements for Sending Secure Email

So, what other options do you have for sending secure emails? The answer will depend on what specific requirements you need to meet. Healthcare organizations that must abide by HIPAA regulations will find a lot of flexibility regarding the technologies they can use to protect ePHI in transit.

In addition to a secure web portal, three other types of encryption are suitable for email sending: TLS, PGP, and S/MIME. PGP and S/MIME are more secure than a web portal. They also require advanced technological skills and coordination with the end-user to implement, which makes them impractical for most business email sending.

That leaves us with TLS, which is suitable to meet most compliance standards (including HIPAA) and delivers an email experience much like that of a “regular” email.

Send Secure Emails with TLS Encryption

TLS encryption is an excellent option for secure email sending that provides a seamless experience for the recipient. Emails sent securely with TLS appear like regular, unencrypted emails in the recipient’s inbox.

TLS encrypts the message contents as they travel between mail servers to prevent interception and eavesdropping. Once the message reaches the inbox, it is unencrypted and can be read by anyone with access to the email account. For this reason, it is less secure than a portal but secure enough to meet compliance requirements like HIPAA.

If you’re wondering why this is, HIPAA only requires covered entities and business associates to protect PHI when it is stored on their systems or as it is transmitted elsewhere. After the message reaches the recipient, it is up to the recipient to decide what they want to do to secure the information. HIPAA does not apply to individuals. Each person is entitled to share and store their health information however they see fit.

Conclusion

Balancing security and usability is a significant challenge for healthcare organizations. If the message is too secure, it may be difficult for the recipient to open and engage with it. If it’s not secure enough, it is too easy for cybercriminals and other bad actors to intercept private information as it is sent across the internet.

Choosing an email provider like LuxSci, which offers flexible email encryption options, allows users to choose the right level of encryption for each message to maximize engagement and improve health outcomes. Contact our team today to learn more about how we can support your efforts.

HIPAA Email Rules: What You Need to Know

October 16, 2024
LuxSci

The Health Insurance Portability and Accountability Act (HIPAA) is a complicated law that defines the standards for the secure collection, transmission, and storage of protected health information (PHI). When information is stored or exchanged electronically, the HIPAA Security and Privacy Rules require covered entities, i.e., organizations that handle PHI, to safeguard its integrity and confidentiality.

One of the most common ways that PHI is shared electronically is via email, so understanding HIPAA email rules is essential for achieving compliance and protecting sensitive data.

The HIPAA Email Security Rule

It’s important to note that HIPAA does not require the use of any specific technology or vendor to meet its requirements. Generally speaking, the Security Rule requirements for email fall into four categories:

Organizational requirements state the specific functions a covered entity must perform, including implementing policies, procedures and obligations concerning business associate agreements (BAAs).
Administrative requirements relate to employee training, professional development, and management of PHI.
Physical safeguards encompass the security of computer systems, servers, and networks, access to the facility and workstations, data backup and storage, and the destruction of obsolete data and HIPAA email archiving.
Technical safeguards ensure the security of email data transmitted over an open electronic network and the storage of that data.

Let’s move on to discussing some of the main requirements that apply to email and the steps you need to take to secure email accounts that transmit and store PHI.

HIPAA Email Rules: Compliance Checklist

While encryption gets most of the spotlight during discussions on email security, the HIPAA email rules, in contrast, cover a range of behaviors, controls, and services that work together to address eight key areas:

Access
Encryption
Backups and Archival
Defense
Authorization
Reporting
Reviews and Policies
Vendor Management

Let’s look at each aspect of HIPPA’s email rules in greater detail.

1. Access

Access controls help safeguard access to your email accounts and messages. Implementing access controls is essential to keep out unauthorized users and secure your data, with key steps including:

Using strong passwords that cannot be easily guessed or memorized – and changing them frequently, e.g. every 30 days.
Creating different passwords for different sites and applications.
Enabling multi-factor authentication (MFA).
Securing connections to your email service provider using TLS and a VPN.
Blocking unencrypted connections.
Pre-emptively installing software that remotely wipes sensitive email off your mobile device when it is stolen or misplaced.
Logging off from your system when it is not in use and when employees are away from workstations.
Emphasizing opt-out email encryption to minimize breaches resulting from human error.

2. Encryption

Email is inherently insecure and at risk of being read, stolen, intercepted, modified, and forged (repudiated). Covered entities should go beyond the technical safeguards of the HIPAA Security Rule and take steps that exceed what is required to futureproof their communications. Email encryption features to adopt include the following:

The ability to send secure messages to anyone with any email address.
The ability to receive secure messages from anyone.
Implementing measures to prevent the insecure transmission of sensitive data via email.
Exploring message retraction features to retrieve email messages sent to the wrong address.
Avoiding opt-in encryption to satisfy HIPAA Omnibus Rule.

3. Backups and Archival

HIPAA email rules require copies of messages containing PHI to be retained for at least six years. In light of this, organizations must consider the following:

How are email folders backed up?
Are there at least two different backups at two different geographical locations? Additionally, the processes updating these backups should be independent of each other as a measure against backup system failures.
Have you maintained separate, permanent, and searchable archives? While the emails should be tamper-proof, with no way to delete or edit them, they should be easily retrievable to facilitate discovery, comply with audit requests, and support business-critical scenarios.

4. Defense

Cyber threats against healthcare organizations are continually on the increase. Some may be surprised to learn that HIPAA compliant email rules mandate that organizations take steps to defend against possible malicious actors. With this in mind, consider implementing the following technologies:

Server-side inbound email malware and anti-virus scanning to detect phishing messages and malicious links.
Showing the sender’s email address by default on received messages.
Email filtering software to detect fraudulent messages and ensure it uses Sender Policy Framework (SPF), DomainKeys Identified Mail (DKIM), and Domain-based Message Authentication, Reporting and Conformance (DMARC) information to classify messages.
Scanning outbound email.
Scanning workstations for malware, i.e., viruses, ransomware, etc.
Using plain text previews of your messages.

5. Authorization

A critical aspect of HIPAA’s email rules is ensuring that cybercriminals cannot impersonate your company or employees. Configuring your domains with SPF and DKIM is essential to verify your identity as an authorized sender of mail from your domains. Also, ensure that users cannot send messages through your email servers without authentication and encryption.

6. Reporting

Setting accountability standards for email security is essential to establishing and strengthening your HIPAA compliance posture. Important steps to take include:

Creating login audit trails.
Receiving login failure and success alerts.
Auto-blocking known attackers.
Maintaining a log of all sent messages.

7. Reviews and Policies

Humans are the greatest vulnerability to any security and compliance plan, so creating policies and procedures that focus on plugging vulnerabilities and preventing human errors is essential. Strategies for reducing risk include:

Inviting independent third parties to review your email policies and user settings. Fresh, unbiased eyes can discover existing issues quickly.
Preventing devices that connect to sensitive email accounts from connecting to public WiFi networks.
Creating email policies prohibiting users from clicking on links or opening attachments that are not expected or requested.

8. Vendor Management

Most companies do not manage their email in-house, so it’s crucial to thoroughly research and vet whoever will be responsible for your email services. Perform an annual review of your email security and stay on top of emerging cybersecurity threats to take proactive action and for continued compliance with HIPAA email rules.

LuxSci’s secure high-volume email and marketing solutions are designed to help healthcare organizations tackle complicated HIPAA email rules and automate the compliance process. Contact us today to learn more about how our industry-leading HIPAA complaint email services can help you better secure your customer PHI and keep you in compliance.

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.

Understanding HIPAA Email Retention Requirements

May 22, 2025
Erik Kangas

HIPAA email retention requirements mandate that healthcare organizations preserve electronic Protected Health Information (ePHI) contained in email communications for specific time periods based on state and federal regulations. The HIPAA Privacy Rule requires covered entities to maintain documentation and policies related to patient information for at least six years from the date of creation or when last in effect. Email messages containing patient data become part of designated record sets and must be retained according to the same standards that apply to other medical records and administrative documents.

Healthcare organizations deal with complex retention obligations that vary by state, with some requiring longer preservation periods than the federal minimum. Understanding HIPAA email retention requirements helps organizations develop compliant policies while managing storage costs and operational efficiency.

Why Do Healthcare Entities Need Email Retention Policies?

Healthcare organizations need email retention policies to comply with legal obligations and support patient care continuity. Medical record laws in most states require healthcare providers to maintain patient information for specific periods, ranging from three years to indefinitely depending on the jurisdiction and type of information. Email communications that contain treatment discussions, appointment scheduling, or billing information become part of the medical record and fall under these retention requirements.

Litigation and regulatory investigations create additional drivers for email retention. Healthcare organizations may face lawsuits, malpractice claims, or regulatory audits that require access to historical communications. Courts can impose sanctions on organizations that fail to preserve relevant electronic communications, including email messages that contain patient information. The legal hold process requires organizations to suspend normal deletion procedures when litigation is anticipated or pending.

Patient care coordination benefits from accessible historical communications between providers, patients, and care teams. Retained email messages can provide context for treatment decisions, document patient preferences, and track care transitions between different providers or facilities. Quick access to communication history helps healthcare workers make informed decisions and avoid repeating previous discussions or recommendations.

Audit and compliance verification depend on comprehensive record retention that includes email communications. Regulatory agencies like the Office for Civil Rights may request documentation during HIPAA compliance investigations. Organizations that cannot produce required communications face potential violations and penalties. Strong retention policies ensure that audit trails remain intact and compliance documentation stays accessible throughout required timeframes.

Minimum Retention Period of HIPAA Emails

Federal HIPAA requirements establish a minimum retention period of six years for policies, procedures, and documentation related to patient information protection. This timeframe applies to administrative records rather than medical records themselves. Email communications that contain ePHI may need longer retention based on state medical record laws and the type of information contained in the messages.

State regulations create varying retention requirements that healthcare organizations must navigate. Some states require medical records to be retained for seven to ten years after the last treatment date, while others mandate longer periods for specific patient populations such as minors. Email communications that become part of the medical record inherit these extended retention requirements regardless of the federal HIPAA minimum.

Patient age considerations affect retention calculations for pediatric healthcare providers. Many states require medical records for minors to be retained until the patient reaches majority age plus an additional period, potentially extending retention requirements by decades. Email communications involving pediatric patients fall under these extended requirements when they contain treatment-related information.

Specialty practice requirements may dictate longer retention periods for certain types of healthcare information. Mental health records, substance abuse treatment communications, and occupational health information often have specific retention requirements that exceed standard medical record timeframes. Healthcare organizations practicing in these areas need policies that address the longest applicable retention period for their email communications.

What Types of Email Require HIPAA Retention?

Treatment-related email communications between healthcare providers require retention when they contain patient information or clinical decision-making discussions. Messages about diagnosis, treatment plans, medication management, and care coordination become part of the medical record. Email consultations between specialists, primary care providers, and other members of the healthcare team need preservation to maintain complete treatment documentation.

Administrative email communications containing patient information also fall under retention requirements. Appointment scheduling messages, insurance verification communications, and billing inquiries that include patient identifiers become part of designated record sets. Staff discussions about patient care policies or quality improvement initiatives may require retention depending on their content and regulatory implications.

Patient communication emails need careful evaluation to determine retention requirements. Direct email exchanges between patients and providers about symptoms, treatment questions, or care instructions become part of the medical record. Portal notifications, appointment reminders, and educational materials sent to patients may also require retention based on their content and relationship to patient care.

Business partner communications involving patient information require retention consideration under Business Associate Agreement terms. Email exchanges with laboratories, imaging centers, billing companies, and other business associates may contain patient information that falls under retention requirements. Organizations need clear policies about which communications with external partners require preservation and for how long.

How to Implement HIPAA Email Retention Systems

Email archiving systems provide automated solutions for capturing and preserving healthcare communications that contain patient information. Modern archiving platforms can identify emails containing ePHI through content analysis, keyword detection, and sender/recipient patterns. The systems automatically route qualifying messages to secure storage while applying appropriate retention schedules based on content type and regulatory requirements.

Legal hold capabilities within email retention systems allow healthcare organizations to suspend normal deletion schedules when litigation or investigations require preservation of communications. The systems can place holds on specific custodians, date ranges, or keyword-identified communications while maintaining normal retention processing for other messages. Legal hold functionality helps organizations avoid spoliation sanctions while managing ongoing retention obligations.

Search and retrieval functionality enables healthcare organizations to locate specific communications quickly during audits, litigation, or patient care needs. Advanced search capabilities allow users to find messages by date ranges, participants, keywords, or patient identifiers. The systems maintain indexing that preserves search functionality even as message volumes grow over time.

Storage management features help healthcare organizations balance retention requirements with cost considerations. Tiered storage systems can move older communications to less expensive storage media while maintaining accessibility for audit or legal purposes. Compression and deduplication technologies reduce storage costs without compromising compliance or retrieval capabilities.

Challenges of HIPAA Email Retention?

Storage cost escalation creates ongoing financial pressure as email volumes grow and retention periods extend. Healthcare organizations generate substantial email volumes daily, and retaining communications for years or decades can require significant storage investments. Cloud storage costs continue to increase as data volumes expand, particularly for organizations in states with extended retention requirements.

Data classification complexity arises when determining which email communications require retention under HIPAA versus other regulatory frameworks. Healthcare organizations may need to apply different retention schedules to communications based on content, sender, recipient, and applicable regulations. Manual classification processes become impractical with large email volumes, requiring automated systems that can accurately categorize communications.

System integration challenges emerge when email retention platforms need to work with existing healthcare IT infrastructure. Electronic health record systems, practice management platforms, and communication tools may not integrate seamlessly with retention systems. Data synchronization between platforms can create gaps in retention coverage or duplicate storage requirements.

Compliance monitoring becomes complex when retention policies span multiple regulatory frameworks and state jurisdictions. Healthcare organizations operating across state lines may need to apply the most restrictive retention requirements to ensure compliance in all jurisdictions. Tracking compliance across different retention schedules, legal holds, and disposal requirements requires sophisticated policy management capabilities.

How To Optimize HIPAA Email Retention Strategies

Policy standardization helps healthcare organizations create consistent retention practices across different departments and communication types. Clear guidelines about what communications require retention, how long they must be preserved, and when disposal is appropriate reduce confusion and compliance gaps. Standardized policies also simplify training and help ensure that staff members understand their retention responsibilities.

Technology automation reduces the manual effort required to classify and retain healthcare email communications appropriately. Advanced systems can analyze message content, identify patient information, and apply retention schedules automatically. Machine learning capabilities improve classification accuracy over time while reducing the burden on IT staff and healthcare workers.

Regular policy review ensures that retention practices keep pace with changing regulations and organizational needs. Healthcare organizations examine their retention policies annually to verify compliance with current federal and state requirements. Policy updates may be necessary when organizations expand into new states, add practice specialties, or adopt new communication technologies.

Staff training programs help healthcare workers understand their roles in email retention compliance. Training covers what types of communications require retention, how to handle legal holds, and when to escalate retention questions to compliance teams. Regular refresher training ensures that staff members stay current with policy changes and retention best practices as communication patterns evolve.