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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“Encryption Optional” Email Will Fail Audits in 2026 and Beyond

February 24, 2026
Pete Wermter

For years, healthcare organizations have relied on click-to-encrypt email workflows and secure portals as a practical compromise between usability and compliance. Or in some cases, they simply thought most of their emails did not need to be compliant. In regulated industries where data security and privacy are paramount, this approach was still considered “good enough.”

That era is ending.

As we progress into 2026 and beyond, regulators, auditors, and cyber insurers are sending a clear and consistent message: encryption that depends on human choice is no longer acceptable. It’s already happening. Encryption optional email isn’t merely raising concerns, it’s failing audits outright.

An Email Threat Landscape That’s Changing Faster Than Email Habits

Historically, email encryption was treated as a best practice rather than a hard requirement. If an organization could demonstrate that encryption tools existed and that employees had access to them, auditors were often satisfied. The box was checked, everybody moved on.

Today, the questions auditors ask are fundamentally different. Instead of asking whether encryption is available, they are asking whether sensitive data can ever leave the organization unencrypted. If the answer is yes, even in rare cases, or even accidentally, that’s no longer viewed as an acceptable gap. It’s viewed as inadequate control.

Why 2026 Is a Tipping Point for Email Security

Several forces are converging here in 2026 that make optional encryption increasingly untenable. Regulatory scrutiny around PHI and PII exposure continues to intensify. Breach costs and litigation are rising, with email remaining one of the most common vectors for data exposure and breaches. AI is also changing the game for cybercriminals, and attacks will continue to increase and be more sophisticated. As a result, cyber insurers are tightening underwriting requirements and demanding stronger, more predictable controls.

At the same time, email user behavior is unpredictable and inconsistent, which is a non-starter for data security in today’s world.

Taken together, these trends and behaviors point to a single requirement: email security controls must be automated. They must be enforced by systems, not dependent on employee memory, judgment, or good intentions.

The Reality of “Encryption Optional” in Practice

On paper, optional encryption can sound reasonable. In practice, it creates gaps large enough to open you up to a breach.

Secure portals are a good example. They require recipients to click a link, authenticate, and access content in a controlled environment. While this protects data in transit, and is a better approach than no security at all, it also introduces friction. And people don’t like friction. Senders forget to use the portal. Recipients ask for “just a quick email instead.” Shortcuts are taken to save time. And every shortcut becomes a risk.

Click-to-encrypt systems suffer from a similar problem. They rely on users to correctly identify sensitive data and remember to take action. But people often misclassify information, forget to click the button, or assume someone else has already secured the message. From an auditor’s perspective, this isn’t a training failure. It’s a set-up and control failure.

Email Security Defaults Are the New Normal

The latest message from regulators, auditors, and insurers is clear. If encryption is optional, data vulnerabilities become inevitable.

What can you do?

Below is a quick email security checklist to help you get started. Cyber insurers may require or recommend the following safeguards during the underwriting process, such as:

Multi-factor authentication (MFA)
Endpoint protection
Encrypted backups
Incident response planning
Encryption protocols for sensitive data in transit and at rest, including PHI in emails

In 2026 and beyond, healthcare organizations and regulated industries will be judged not by what they allow, but by what they prevent. Automated, encrypted email is the new. normal.

Want to learn more about LuxSci HIPAA compliant email? Reach out today.

LuxSci and Oiva Health Combine to Form Transatlantic Healthcare Communications Group

February 12, 2026
Pete Wermter

Boston & Helsinki, February 12, 2026 – LuxSci, a provider of secure healthcare communications solutions in the United States, and Oiva Health, a Nordic provider of Digital Care solutions in social and healthcare services, today announced that the companies are joining forces. Backed by Main Capital Partners (“Main”), the combination brings together two complementary platforms and teams, forming a strong transatlantic software group focused on secure healthcare communications.

Founded in 1999, LuxSci is a U.S. provider of HIPAA‑compliant, secure email, marketing, and forms solutions. Its application and infrastructure software enable organizations to securely deliver personalized, sensitive data at scale to support a broad range of healthcare communications and workflows including care coordination, benefits and payments, marketing, wellness communications, after care and ongoing care. Certified by HITRUST for the highest levels of data security, LuxSci serves dozens of healthcare enterprises and hundreds of mid‑market organizations.

Founded in 2010, Oiva Health is a provider of digital care and communications solutions in the Nordics. Headquartered in Finland, with additional offices in Denmark, Norway, and Sweden, Oiva Health offers digital care and digital clinic solutions – including digital visits, secure messaging, online scheduling and appointments, and caregiver communications – serving the long-term care, especially elderly care, and occupational healthcare verticals. The company employs approximately 60 people and has recently expanded across the Nordic region, with a growing presence in Norway and Sweden.

The combination of LuxSci and Oiva Health creates a larger, cross Atlantic group with complementary solutions, serving the U.S. and European markets. Together, the companies offer healthcare providers, payers, and suppliers a comprehensive suite of tools to communicate securely and compliantly, spanning communications, workflows, and virtual care delivery.

Daan Visscher, Partner and Co-Head North America at Main, commented: “We are pleased to announce this cross Atlantic transaction, creating an internationally active secure communications player within the healthcare and home care space. The combined product suite enables healthcare organizations to drive much needed efficiency gains in healthcare provision addressing a global trend of rising costs, aging population, and increasing pressure on resources needed to provide high-quality care.”

Mark Leonard, CEO of LuxSci, said, “We are thrilled to join forces with Oiva Health and believe that together we can truly make a difference in healthcare coordination, access, and delivery. We see an exciting path forward with our customers benefiting from an end-to-end, secure and compliant approach to optimizing both healthcare communications and today’s frontline workers, which we need now more than ever.”

Juhana Ojala, CEO at Oiva Health, concluded, “We look forward to this new chapter together with LuxSci. We are very excited about the strong alignment between our solutions, which especially strongly positions us to expand our flagship Digital Care offering to the high-potential U.S. care market – from care coordination to care delivery to in-home and institutional care.”

Nothing contained in this Press Release is intended to project, predict, guarantee, or forecast the future performance of any investment. This Press Release is for information purposes only and is not investment advice or an offer to buy or sell any securities or to invest in any funds or other investment vehicles managed by Main Capital Partners or any other person.

[END OF MESSAGE]

About LuxSci

LuxSci is a U.S.-based 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. Founded in 1999, LuxSci serves more than 1,900 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 example clients being Athenahealth, 1800 Contacts, Lucerna Health, Eurofins, and Rotech Healthcare, among others.

About Oiva Health

Oiva Health is a Digital Care provider in the Nordics, offering a comprehensive Digital Platform for integrated health and care services to digitalize primary healthcare, social care, hospital healthcare and long-term care services. The company was founded in 2010 and currently employs approximately 60 people in Finland, Denmark, Norway, and Sweden serving domestic municipalities, customers and partners, such as City of Helsinki, Keski-Suomi Welfare Region, Länsi-Uusimaa Welfare Region in Finland, and Viborg municipality in Denmark with its Digital Care platform. Annually over 5 million customer contacts are handled digitally through Oiva Health’s Digital Care and Digital Clinic platforms.

About Main Capital Partners

Main Capital Partners is a software investor managing private equity funds active in the Benelux, DACH, the Nordics, France, and the United States with approximately EUR 7 billion in assets under management. Main has over 20 years of experience in strengthening software companies and works closely with the management teams across its portfolio as a strategic partner to achieve profitable growth and create larger outstanding software groups. Main has approximately 95 employees operating out of its offices in The Hague, Düsseldorf, Stockholm, Antwerp, Paris, and an affiliate office in Boston. Main maintains an active portfolio of over 50 software companies. The underlying portfolio employs approximately 15,000 employees. Through its Main Social Institute, Main supports students with grants and scholarships to study IT and Computer Science at Technical Universities and Universities of Applied Sciences.

The sender of this press release is Main Capital Partners.

For more information, please contact:

Main Capital Partners
Sophia Hengelbrok (PR & Communications Specialist)

sophia.hengelbrok@main.nl

+ 31 6 53 70 76 86

Rethinking HIPAA Compliant Email – Not Just a Checkbox

January 20, 2026
Pete Wermter

The compliance-only mentality is outdated.

Let’s be honest—when most healthcare organizations think about HIPAA compliant email, it’s usually in the context of avoiding fines or satisfying checklists. And while yes, compliance is critical, viewing it only through the lens of risk management is a missed opportunity.

In reality, HIPAA compliant email, when implemented properly, is one of the most powerful tools for patient and customer engagement. Why? Because it unlocks the ability to leverage protected health information (PHI) safely, enabling personalized, timely, and high-impact email communication that drives better engagement, satisfaction, and outcomes.

What Makes Email Truly HIPAA Compliant?

As a reminder, HIPAA compliant email requires that protected health information (PHI) is safeguarded both in transit and at rest. That means your email provider must:

Use encryption at all times

Be access-controlled

Include audit logs

Be stored and transmitted in a secure manner

Provide a Business Associate Agreement

Regular email services just don’t cut it. In fact, most consumer or marketing email platforms like Sendgrid or Constant Contact, while great at sending email, are not HIPAA compliant or have limitations when it comes to using PHI in your messages. Even when bolted-on encryption solutions are used, they often lack the flexibility, scalability, and automation needed for safe and effective healthcare email engagement.

LuxSci goes beyond the basics with policy-based encryption, secure TLS, PKI encryption and escrow/secure portal options. LuxSci’s SecureLine™ encryption technology dynamically selects the appropriate encryption method based on recipient capabilities and messaging context and can be configured to enforce secure delivery automatically according to organizational policies. LuxSci also provides the ability to enforce advanced multi-factor authentication. Every message is tracked with full audit trails—no guesswork, no loose ends.

The Real Opportunity – Secure, Personalized Email with PHI

Using PHI to Drive Personalized Messaging
Imagine sending a personalized reminder to a diabetic patient about an upcoming check-up. Or reaching out to new mothers with postnatal care resources tailored to their needs. Or sending automated email workflows to all your members to accelerate and increase new plan enrollments. Or email customer and prospects about a new product upgrade or new service offering. The list goes on. That’s the power of PHI-personalized email—when done securely.

Targeted Segmentation with Sensitive Data
With HIPAA compliant email solutions like LuxSci, you can segment your audience based on real health data with high levels of precision, such as chronic conditions, appointment history, insurance status, health risks, and more, without compromising patient trust or security.

Breaking the One-Size-Fits-All Approach in Healthcare Email
Generic email blasts are over. Modern patients expect personalization. With LuxSci, you can deliver highly targeted, highly secure emails with encrypted content, while staying HIPAA compliant.

Real Business Results from Secure Email

Here’s how secure, personalized email can drive improved results across a range of healthcare communications, including:

Increased Patient Appointments and Follow-ups – Sending encrypted, personalized appointment reminders and follow-up notices can reduce no-shows and boost overall appointment volume.
Boosting Preventative Care with Outreach Campaigns – Preventative campaigns (think flu shots or cancer screenings) sent securely to the right segments can lead to higher response rates, better health outcomes, and a lower cost of care.
Improving Health Plan Enrollments – Targeted email outreach during open enrollment, tailored by eligibility or plan type, and powered by automated workflows leads to higher enrollments and lower call center costs.
Driving Awareness and Sales of New Services or Products – Have a product upgrade offer, new wellness program or telehealth service? Send secure, PHI-informed HIPAA compliant email to the right audience for increased sales and faster adoption.
Optimize Explanation of Benefits Notices – Replace snail mail with email that’s fast, reliable and trackable, ensuring customers are informed and compliance is met.

The Healthcare Marketer’s Secret Weapon: Using PHI Responsibly

In a world moving away from third-party cookies, first-party data is more valuable than ever, and PHI is the most powerful form of it in healthcare. With secure HIPAA compliant email, PHI doesn’t have to be locked away. Marketers can safely use it to understand patient needs and send relevant, timely messages. PHI-driven segmentation lets you build hyper-targeted campaigns that speak to relevant conditions, unique needs and timely topics, increasing open rates, clicks throughs, and campaign conversions.

Meeting the Personalization Demands of Today’s Patients and Customers

HIPAA-compliant email is no longer just about checking a box. It’s about unlocking the full potential of your patient and customer data to drive better engagement, healthier outcomes, and measurable business results.

In closing, below are some final thoughts on how secure, HIPAA compliant email delivers long-term value for your organization and better connections with your patients and customers, including:

- Future-Proofing Healthcare Engagement – Patients expect Amazon-level personalization. HIPAA-compliant tools let you meet those expectations securely.

- Adapting to Data Privacy Regulations Beyond HIPAA – From GDPR to state-level privacy laws, secure communication is no longer optional, it’s foundational.

- Building Trust Through Secure Communication – Each secure, personalized message sent is a trust-building moment with your patients and customers.

Why LuxSci? The Infrastructure Behind the Performance

With LuxSci’s secure email infrastructure and email marketing solutions, healthcare organizations can confidently personalize communication, reach patients more effectively, and fuel growth with PHI-safe segmentation, messaging, and email automation.

LuxSci takes data security and email performance to the next level by offering dedicated cloud infrastructure for each customer, which means your email campaigns aren’t slowed down by other vendors on shared cloud services and your attack footprint is much smaller. In short, you get higher delivery rates and throughput with proven HIPAA compliance and data security.

The future of healthcare engagement is personal, secure, and performance-driven—and it starts with HIPAA compliant email done right.

Reach out today with any questions or to learn more about LuxSci.

FAQs

1. Is HIPAA-compliant email necessary for marketing communications?
Yes—if your emails include or are based on PHI (like appointment reminders, condition-based messaging, or insurance info), you need HIPAA-compliant email and recipient consent to avoid legal risk and preserve patient trust.

2. Can PHI be used in marketing emails under HIPAA?
Yes, with proper consent and secure, HIPAA compliant infrastructure like LuxSci’s, PHI can be safely used in emails for personalized, segmented campaigns.

3. How does LuxSci ensure high email deliverability for healthcare messages?
LuxSci uses dedicated cloud servers for each customer, active email reputation monitoring, and best-practice configurations to ensure high deliverability rates for sensitive emails.

4. Is LuxSci only for marketing teams?
No—LuxSci supports marketing, clinical, operations, and IT teams by enabling secure, compliant email communication across the entire organization.

5. What types of PHI can I use to segment campaigns using LuxSci?
You can segment based on chronic conditions, visit history, insurance status, provider details, age, gender, location, and more—all while staying fully compliant.

Most Popular LuxSci Blog Posts of 2025

December 30, 2025
Pete Wermter

As we close out 2025, healthcare communicators, IT and compliance leaders, and digital marketers face an ever-changing landscape of security threats, regulatory updates, and technology innovations. At LuxSci, we’re committed to helping you with continuous updates and guidance on the future of secure healthcare communications.

In case you missed it, or need a refresh, below are some of our most popular blog posts from 2025. Enjoy!

1. Improve Email Engagement and Marketing Results with Automated Workflows

Automated workflows are transforming how healthcare organizations engage patients and customers — enabling dynamic, event-driven campaigns that easily scale your outreach and keep you HIPAA compliant. In this post, we introduce LuxSci’s Automated Workflows capability for our Secure Marketing healthcare solution. Learn how sequence-based journeys can personalize outreach and optimize engagement with behavior-based triggers that improve campaign performance — without sacrificing data security.

Read the full post: LuxSci Enhances Secure Marketing with Automated Workflows

2. Healthcare Email Threat Readiness Strategies

Email remains a frontline channel for healthcare communications, and a prime target for cyber threats and criminals. This deep-dive into email threat readiness strategies covers essential practices like continuous monitoring, business continuity planning, and workforce training to mitigate email-borne security risks. Whether you’re responsible for clinical systems, marketing, or enterprise IT, this post provides a strategic playbook to strengthen your defenses, while maximizing your results.

Read the full post: Healthcare Email Threat Readiness Strategies

3. HIPAA Compliant Email — 20 Tips in 20 Minutes

For practical guidance you can apply right now, this on-demand webinar distills 20 key tips for HIPAA-compliant email across technical, legal, and operational domains. Whether you’re refining your infrastructure, improving deliverability, or modernizing your data security posture in 2026, this resource is a time-efficient way to elevate your compliance and security.

Read the post and watch the webinar on demand: HIPAA Compliant Email: 20 Tips in 20 Minutes

4. Is SendGrid HIPAA-Compliant? What You Should Know

Choosing the right email provider matters, especially when Protected Health Information (PHI) is at stake. In this post, we examine SendGrid’s capabilities in the context of HIPAA compliance, outline what it takes to send PHI securely, and offer guidance on evaluating third-party services for secure healthcare email and communication needs.

Read the full post: Is SendGrid HIPAA-Compliant?

5. LuxSci Shines in G2 Winter 2026 Reports

Customer feedback matters to LuxSci. In this post, we share the most recent news about LuxSci’s performance in the G2 Winter 2026 Reports, where we earned 20 badges across categories like Email Security, Encryption, Gateway, and HIPAA-Compliant Messaging. These reviews reflect not just product excellence, but trust from real users, which we work hard to build every day!

Read the full post: LuxSci Shines in G2 Winter 2026 Reports

Looking Ahead to 2026

We look forward to providing more information and insights on secure healthcare communications in the coming year, including the latest on HIPAA compliant email, PHI security, healthcare marketing, threat readiness, and personalized engagement. In the meantime, if you’re not already, follow us on LinkedIn below, and we’ll see you here in 2026!

Follow LuxSci on LinkedIn

Why Is Marketing Important to a Medical Practice?

October 7, 2024
Erik Kangas

Marketing helps medical practices attract new patients, retain existing ones, build their reputation, and communicate their value in competitive healthcare markets. Effective practice marketing increases patient awareness of available services, educates communities about health topics, and establishes trust with potential patients. A strategic marketing approach allows practices to grow sustainably while maintaining focus on quality patient care.

Patient Acquisition and Practice Growth

Medical practices depend on a consistent stream of new patients to maintain financial health and expand their services. Marketing campaigns that present specialties, physician credentials, and treatment approaches help differentiate a practice from local competitors. When potential patients search for healthcare providers online, digital marketing ensures the practice appears in relevant local results. Many successful practices implement referral programs where current patients recommend services to friends and family, creating organic growth. Geographic expansion becomes possible when marketing targets new communities or demographic groups with specific healthcare needs. Without effective marketing, even excellent medical practices can struggle to maintain optimal patient volume.

Strengthening Patient Relationships

Patient relationships flourish beyond initial appointments when practices implement thoughtful marketing strategies. Regular health newsletters educate patients about relevant medical topics while keeping the practice top-of-mind between visits. Automated appointment reminders decrease no-shows and demonstrate respect for patients’ time commitments. Many practices find that personalized communications acknowledging birthdays or health milestones create meaningful connections that patients appreciate. Effective promotion of patient portal features increases engagement with health information and simplifies administrative interactions. Maintaining existing patient relationships through marketing typically costs less than acquiring new patients. Patient loyalty translates to word-of-mouth recommendations that benefit practices more than most paid advertising.

Building Practice Reputation

In competitive healthcare markets, reputation directly influences which providers patients choose to visit. Consistent marketing messages about quality care and positive patient experiences shape public perception over time. Patients increasingly research providers online before making appointments, making reputation management across review platforms essential for practice success. A professional website featuring physician backgrounds, facility information, and patient stories establishes credibility with potential new patients. Local involvement through community health initiatives or event sponsorships builds goodwill while increasing practice visibility. Prospective patients often form their first impression of a practice long before any clinical interaction occurs. Medical practices with solid reputations attract more patients and qualified clinical staff seeking respected work environments.

Service Awareness and Education

Patients frequently remain unaware of many services available at medical practices they already visit regularly. Marketing campaigns presenting specialized treatments, technologies, or expanded services help patients understand all available care options. Educational content addressing when to seek care for specific symptoms empowers patients to make appropriate healthcare decisions. Seasonal health communications about topics like flu prevention or sun safety address timely concerns while promoting preventive visits. When patients understand the full range of available services, they make more informed choices about their healthcare needs. Practice revenue becomes more consistent when patients utilize appropriate services based on marketing education. The combination of better-informed patients and optimized service utilization benefits both medical outcomes and practice sustainability.

Communicating Practice Changes

The healthcare landscape continuously evolves through provider changes, location expansions, and technological advancements. Marketing creates structured communication channels to inform patients about these developments without causing confusion. New physician announcements help build patient panels quickly when practices expand their medical teams. When practices open additional locations, targeted geographic marketing builds awareness in new service areas. Insurance network changes require clear, timely communication to affected patients to prevent appointment surprises. The introduction of telehealth services depends on effective marketing to achieve patient adoption and utilization. Practices that communicate changes clearly maintain patient confidence during transitions and prevent unnecessary anxiety. Throughout healthcare evolutions, marketing provides the link between practice advancements and patient awareness.

Measuring Practice Performance

Marketing activities generate valuable data that shows a practice’s market position and operational performance. Patient satisfaction surveys reveal service strengths and improvement opportunities that might otherwise remain hidden. Website analytics identify which services generate the greatest public interest, helping practices allocate clinical resources appropriately. Campaign tracking metrics connect specific marketing investments to appointment bookings and revenue generation. Understanding referral sources helps practices identify which professional relationships and community connections drive patient growth. Practice leadership makes more informed business decisions when marketing data supplements clinical quality measures. The combination of marketing metrics and clinical outcomes provides full insight into overall practice performance from multiple perspectives.

What You Need to Know About PHI Identifiers

November 5, 2024
Erik Kangas

It’s hard to understate the benefits of using protected health information (PHI) in your patient engagement efforts. By effectively leveraging PHI, you can create highly-targeted and personalized email marketing campaigns, which have greater potential to connect with your patients and customers – and drive your desired outcomes.

However, before diving in, it’s essential to be aware of HIPAA’s complex compliance requirements and how they govern healthcare organizations’ marketing communications. Chief among these considerations is the concept of PHI identifiers and the role they play in classifying and protecting sensitive patient data. With this in mind, let’s explore HIPAA’s 18 PHI identifiers

What is a PHI Identifier?

Before we detail the 18 different PHI identifiers, it’s crucial to first distinguish between what counts as PHI and what, in reality, is personally identifiable information (PII).

PHI (as well as its digital equivalent or electronic protected health information (ePHI)), is defined as “individually identifiable protected health information” and specifically refers to three classes of data:

An individual’s past, present, or future physical or mental health or condition.
The past, present, or future provisioning of health care to an individual.
The past, present, or future payment-related information for the provisioning of health care to an individual.

In short, for an individual’s PII to be classed as protected health information it must be related to a health condition, their healthcare provision, or the payment of that provision. So, a patient’s email address in isolation, for example, isn’t necessarily PHI. However when combined with any information about their healthcare – such as in a patient engagement email campaign – it would constitute PHI.

Put another way, as HIPAA is designed to enforce standards and best practices in the healthcare industry, it’s concerned with protecting health-related information. While the protection of general PII is of the utmost importance, that’s a significantly larger remit – and, consequently, one that’s shared by a variety of data privacy regulations covering different industries and regions (PCI-DSS, GDPR, etc.).

What are the 18 PHI Identifiers?

With the above background in mind, we now have a clearer understanding of what is classed as PHI and, as a result, what data needs to be de-identified. The HIPAA Privacy Rule provides two methods for the de-identification of PHI: the Expert Determination and Safe Harbour methods.

Expert Determination requires a statistical or scientific expert to assess the PHI and conclude that the risk of it being able to identify a particular patient is very low. Safe Harbour, meanwhile, involves systematically removing or securing specific data types to mitigate the risk of patient identification. It’s from the Safe Harbour method that we get the following 18 PHI identifiers:

Patient Names

Geographical Elements: street address, city, and all other subdivisions lower than the state.

Dates Related to Patient’s ID or Health History: eD.O.B, D.O.D, admission and discharge dates, etc.

Telephone Numbers

Fax Numbers

Email Addresses

Social Security Numbers

Medical Record Numbers

Health Insurance Beneficiary Numbers

Account Numbers

Certificate or License Numbers: as these can confirm an individual’s professional qualifications or credentials, and when combined with PHI, are exploitable by malicious actors.

Vehicle Identifiers: i.e., license plate and serial numbers

Device Identifiers and Serial Numbers: those belonging to smartphones, tablets, or medical devices, because they communicate with healthcare companies during provision and can be linked back to the patient

Digital Identifiers: namely website addresses used by healthcare companies that patients may visit (for healthcare education, event registration, etc.)

Internet Protocol (IP) Addresses: the digital location from where a patient’s device accesses the internet; this can be used to acquire subsequent PHI

Biometric Identifiers: e.g., fingerprints, voice samples, etc.

Full Face Photographs: in additional to other comparable images

Other Unique Numbers, Codes, or Characteristics: not covered by the prior 17 categories

As illustrated by the above list, HIPAA’s list of PHI identifiers is comprehensive, covering all aspects of an individual’s identity and digital footprint. In light of this, when handling patient data it’s crucial to use platforms and digital solutions that have been designed with the secure transmission and storage of PHI in mind.

Harness the Benefits of Using PHI for Better Patient Engagement

As the most experienced provider of HIPAA-compliant communications, LuxSci specializes in secure email, text, marketing and forms for healthcare providers, payers and suppliers. LuxSci’s Secure Healthcare Communications suite offers flexible encryption, customizable security policies, and automated features to ensure HIPAA compliance and the protection of PHI data.

Interested in discovering how LuxSci’s solutions can help you securely engage with your patients and customers?

What is a SMART Objective in Healthcare Marketing?

March 13, 2025
Erik Kangas

Healthcare marketing objectives typically follow the SMART framework: Specific, Measurable, Achievable, Relevant, and Time-bound goals that guide marketing campaigns and patient outreach programs. These structured objectives help healthcare organizations track progress, measure success, and adapt strategies to meet defined targets within budget and regulatory requirements. Clear, well-defined objectives lead to effective resource allocation and higher returns on marketing investments. As a result, marketing teams use this framework to develop campaigns that deliver quantifiable results while maintaining healthcare industry standards and compliance requirements.

SMART Marketing Requirements

The SMART framework provides healthcare organizations with a structured method to develop marketing plans that deliver measurable results. Marketing teams design objectives that meet specific criteria for success, including detailed action plans and performance metrics. Each objective links to broader organizational goals while maintaining healthcare compliance standards. Teams consider market conditions, resource availability, and patient needs when setting these objectives. The framework ensures marketing plans remain focused on achievable outcomes rather than vague aspirations. To track results, organizations review their healthcare marketing objectives quarterly to validate alignment with business goals and adjust targets based on market changes. Marketing teams document their objectives in detail, including baseline metrics, target improvements, and measurement methods to track progress accurately.

SMART objectives help healthcare marketers directly connect marketing activities to measurable patient acquisition outcomes.
Cross-departmental collaboration improves when marketing and relevant teams set out clearly defined objectives.
Healthcare organizations using structured objectives can better demonstrate marketing value to leadership and stakeholders.
Well-documented SMART objectives create marketing accountability while supporting compliance with healthcare regulations.
The framework encourages more efficient resource allocation by requiring measurable outcomes for all marketing investments.

Target Markets and Patient Segments

Marketing teams use demographic data and healthcare utilization patterns to identify target patient populations. They analyze factors like age groups, insurance coverage, medical needs, and geographic location to create focused marketing objectives. This research shapes campaign messaging and channel selection for different patient segments. Teams track response rates across various demographics to refine their targeting strategies. Market segmentation helps organizations allocate marketing resources to the most promising patient groups and service lines. Research includes analyzing patient data from electronic health records, insurance claims, and market surveys to understand healthcare needs and preferences. Teams develop patient personas to guide marketing efforts and create relevant messaging for each segment. They study healthcare consumption patterns, referral sources, and patient journey maps to identify marketing opportunities within each segment.

Budget Planning and Resource Management

Healthcare marketing objectives should include detailed budget planning and resource allocation strategies. This means that teams develop cost projections for different marketing channels and campaign types. They track spending against expected patient acquisition costs and revenue generation. These financial objectives help organizations maintain profitable marketing operations while meeting growth targets. Budget planning includes staff time, technology costs, advertising and lead generation expenses, and marketing content production. Regular financial reviews ensure marketing activities stay within planned spending limits while delivering expected results. Marketing departments calculate return on investment for each campaign type and channel to optimize resource allocation. They maintain detailed cost tracking systems to monitor expenses across all marketing activities. Teams develop contingency plans for budget adjustments based on campaign performance and market changes.

Technology Integration and Digital Marketing

Marketing objectives dictate technology requirements for campaign execution and performance tracking. Teams set goals for website optimization, email deliverability and conversions, social media engagement, and digital ad campaign results. They also plan implementation schedules for new marketing technologies and patient communication tools. These objectives include metrics for online appointment scheduling, patient portal usage, email engagement, and digital content engagement. Organizations track technology adoption rates and return on digital marketing investments. Marketing teams continuously evaluate new healthcare marketing technologies and platforms to improve campaign effectiveness. For example, email marketing platforms that securely transmit protected health information (PHI) can enable greater personalization with more targeted and customized messages. Integration plans are developed for marketing automation tools, email marketing and campaign tools, customer relationship management systems, and analytics platforms. The technical requirements include the necessary data security measures, such as end-to-end encryption, to protect patient information and maintain HIPAA compliance across all digital marketing channels.

Marketing departments can also create automation objectives to nurture leads and improve operational efficiency. Email communication campaigns are created with targeted messages based on patient attributes, health conditions, interests and product needs. Marketing teams must establish protocols for using PHI to personalize patient outreach while maintaining compliance standards. Marketing automation tools help track patient interactions across multiple touchpoints and trigger appropriate follow-up communications. Organizations measure email engagement rates, deliverability, and conversion metrics to evaluate effectiveness. Their teams develop workflow automation systems that reduce manual tasks and improve campaign conversions and ongoing engagement. These automated processes help marketing departments manage larger email volumes while maintaining personalized patient and customer communications.

Campaign Execution and Timeline Management

Healthcare marketing teams create detailed implementation schedules for their objectives. They set specific dates for campaign launches, content creation, and performance reviews. Marketing calendars account for seasonal healthcare needs, annual testing, procedures and plan enrollments, and organizational updates. Teams coordinate marketing activities with other departments, including clinical departments, customer experience teams, operations, IT infrastructure and security, and administrative staff. Project management tools help track progress toward marketing objectives and maintain accountability. Regular timeline reviews allow teams to adjust schedules based on results and changing priorities. Campaign execution plans should also include content development schedules, media placement timelines, and coordination with external marketing vendors. The teams create workflow systems to manage multiple campaigns across different channels and patient segments, and an approval processes is established for marketing campaigns and materials to ensure compliance with healthcare regulations and brand standards.

Performance Analysis and Strategy Refinement

Successful healthcare marketing teams establish systems to measure marketing objective achievements, with their teams tracking key performance indicators through analytics platforms and robust reporting tools. They analyze patient acquisition data, lead generation and conversions, opportunities and revenue growth. This information helps marketing departments identify successful strategies and areas for improvement. Performance analysis includes comparing results against industry benchmarks and competitor performance, as well as their own historical performance. Regular strategy reviews ensure marketing objectives remain aligned with organizational goals and market conditions. Marketing teams should create monthly performance reports, tracking progress toward SMART objectives. The teams should also conduct quarterly reviews of marketing strategies to assess effectiveness and make necessary adjustments. Analysis includes patient satisfaction and engagement metrics, service and product line revenue growth rates, and marketing campaign response rates. Teams use this data to refine future marketing objectives and improve campaign performance.

How Can Healthcare Organizations Find Free HIPAA Email Solutions?

July 11, 2025
Erik Kangas

Free HIPAA email solutions do not exist for healthcare organizations despite claims from various platforms and open-source projects that appear to offer no-cost compliance options. Healthcare providers seeking truly compliant email communication discover that platforms like Gmail, Yahoo, and other consumer email services cannot provide the Business Associate Agreements, encryption controls, and audit capabilities required for patient data protection. Most healthcare practices learn that attempting to use free HIPAA email platforms for PHI communications creates substantial compliance risks and potential regulatory violations that far exceed the cost savings of avoiding purpose-built healthcare email solutions.

Why Consumer Platforms Cannot Provide Free HIPAA Email

Gmail and other consumer email platforms explicitly refuse to sign Business Associate Agreements with healthcare organizations, making them unsuitable for any communications containing protected health information. Google’s Terms of Service specifically prohibit healthcare organizations from using personal Gmail accounts for patient communications, and even Google Workspace requires careful configuration and additional security measures that eliminate any cost savings from “free” accounts.

Consumer email platforms lack the audit logging capabilities required for HIPAA compliance, making it impossible for healthcare organizations to track access to patient communications or investigate potential security incidents. These platforms prioritize convenience and broad compatibility over the stringent security controls that healthcare organizations need to protect patient data during email transmission and storage.

Open Source Solutions Create Hidden Compliance Costs

Open-source email servers like Zimbra and Postfix may appear cost-effective but require extensive technical expertise and ongoing maintenance that healthcare organizations rarely possess internally. Implementing proper HIPAA compliance with open-source platforms demands specialized knowledge of encryption protocols, access controls, and audit logging that most medical practices cannot develop or maintain cost-effectively.

Security vulnerabilities in self-managed email systems create liability risks that healthcare organizations cannot afford to ignore. Without dedicated security teams to monitor threats and apply patches, open-source email installations become attractive targets for cybercriminals seeking access to valuable patient data. The cost of a single data breach far exceeds any savings from avoiding commercial email solutions.

BAA Requirements Eliminate Free HIPAA Email Options

HIPAA compliance requires healthcare organizations to obtain signed Business Associate Agreements from any vendor that handles protected health information, including email service providers. Free HIPAA email platforms and open-source solutions cannot provide the legal protections and liability coverage that proper BAAs require, leaving healthcare organizations exposed to regulatory penalties and lawsuit risks.

Most free HIPAA email providers explicitly disclaim responsibility for HIPAA compliance in their terms of service, shifting all liability to healthcare organizations that choose to use their platforms. This liability transfer makes free HIPAA email platforms unsuitable for healthcare communications regardless of their technical capabilities or security features.

The False Economy of Cheap Email Solutions

Healthcare organizations that prioritize cost savings over compliance capabilities often discover that cheap email solutions create expensive problems. Inadequate security controls, poor audit trails, and limited support options lead to compliance gaps that regulatory audits easily identify and penalize heavily.

Staff productivity suffers when healthcare workers struggle with poorly designed interfaces, unreliable service, or inadequate mobile access that cheap email solutions provide. The time lost to system problems and workarounds quickly eliminates any cost advantages from selecting budget email platforms over purpose-built healthcare communication tools.

Compliance Gaps Create Regulatory and Financial Risks

Healthcare organizations using inappropriate email solutions face potential HIPAA penalties ranging from thousands to millions of dollars depending on the scope and severity of compliance violations. OCR investigations frequently identify email security deficiencies as contributing factors in data breaches that result in significant financial penalties and mandatory corrective action plans.

Patient trust erosion from email security incidents can damage healthcare organizations’ reputations and reduce patient volumes over time. The long-term financial impact of lost patients and reduced referrals often exceeds the cost difference between free and compliant email solutions by substantial margins.

Limitations Prevent Proper PHI Protection

Free HIPAA email platforms cannot provide the granular access controls that HIPAA compliance requires for protecting different types of patient information. Healthcare organizations need the ability to restrict access to sensitive communications based on staff roles and clinical responsibilities, capabilities that consumer email platforms do not support.

Encryption limitations in free HIPAA email services prevent healthcare organizations from ensuring that patient data receives appropriate protection during transmission and storage. Many free platforms offer basic encryption that falls short of healthcare security standards or provide encryption that healthcare organizations cannot control or verify independently.

Support Deficiencies Create Operational Risks

Free email platforms provide minimal technical support that cannot address the urgent security incidents and system problems that healthcare organizations face. When email systems fail or security breaches occur, healthcare providers need immediate expert assistance that free platforms cannot provide through standard support channels.

Compliance guidance from email vendors helps healthcare organizations navigate complex regulatory requirements and implement proper security controls. Free HIPAA email platforms cannot offer the specialized compliance expertise that healthcare organizations need to maintain proper HIPAA adherence and respond appropriately to regulatory inquiries.

Migration Costs Offset Initial Savings

Healthcare organizations that initially choose free HIPAA email / cheap email solutions eventually face expensive migration projects when they discover compliance inadequacies or operational limitations. Moving years of email archives and reconfiguring integrated systems creates substantial costs that proper initial platform selection could have avoided.

Staff retraining requirements for multiple email platform changes create productivity losses and resistance to new systems that affect overall operational efficiency. Healthcare organizations benefit from selecting appropriate email solutions initially rather than cycling through multiple inadequate platforms over time.

Investment in Proper Email Solutions Provides Long-Term Value

Purpose-built healthcare email platforms provide compliance capabilities, security controls, and operational features that justify their costs through reduced regulatory risks and improved staff productivity. The total cost of ownership for compliant email solutions often proves lower than seemingly cheaper alternatives when organizations account for all implementation, maintenance, and risk factors.

Healthcare organizations that invest in proper email infrastructure from the beginning avoid the disruption and expense of multiple platform changes while maintaining consistent compliance posture throughout their growth and evolution. Reliable email communication supports better patient care and more efficient operations that contribute to organizational success over time.