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LuxSci vs. Zix Webroot: Choosing the Right HIPAA Compliant Email Provider

LuxSci vs. Zix Webroot

There are many crucial factors to consider when developing and executing successful healthcare communication campaigns. First and foremost, you must ensure the protected health information (PHI) under your organization’s care is handled securely, as mandated by Health Insurance Portability and Accountability Act (HIPAA) regulations, which begins with selecting the right HIPAA compliant email provider for your company’s needs.

With the right email services provider (ESP) in place, healthcare providers, payers, and suppliers can confidently use PHI in their patient and customer engagement campaigns – safe in the knowledge they’re aligned with HIPAA’s tight regulatory guidelines.

To help you choose the best HIPAA compliant email provider for your healthcare organization’s email outreach objectives, this post compares two of the most well-known HIPAA compliant services on the market: LuxSci and Zix Webroot (from here, simply referred to as Zix). 

Comparing each email provider’s performance on several criteria, we’ll help you decide which solution best fits the needs of your healthcare organization and will help you better engage with your patients and customers. 

LuxSci vs. Zix: Evaluation Criteria

In our evaluation of LuxSci vs. Zix, we’ll be using the following criteria: 

  • Data Security and Compliance: undoubtedly the most important factor when it comes to ensuring HIPAA-compliant email communication within healthcare organizations, this reflects the extent to which each platform secures sensitive patient data as per HIPAA’s regulations. 
  • Performance and Scalability: the email platform’s ability to facilitate high-volume email communication campaigns, which also, subsequently, encompasses the platform’s throughput and how well they’re able to scale in line with an organization’s needs. 
  • Infrastructure: if the email service provider has the necessary security infrastructure in place to both adequately safeguard PHI and support bulk email marketing campaigns.
  • Marketing Capabilities: if the platform provides features that allow you to personalize and refine your patient engagement strategies.
  • Ease of Use: how easy each email service is to use; a deceptively important factor in light of the urgent need for employee cyber threat awareness training. 
  • Other HIPAA-Compliant Products: if the platform offers complementary features that aid healthcare organizations with their broader patient engagement, and growth, objectives. 

Now that we’ve covered the criteria by which we’ll be assessing each email platform, let’s compare LuxSci vs Zix to determine which is the best fit for your company’s needs. 

LuxSci vs. Zix: How Do They Compare?

Data Security and Compliance

LuxSci prides itself on being a fully HIPAA-compliant email service provider, offering end-to-end, flexible, and automated encryption, giving it an advantage in the protection of patient data in the event of its exfiltration by cyber criminals. Additionally, LuxSci is HITRUST-certified, illustrating its additional commitment to data privacy legislation and the securing of PHI. 

Zix is also fully HIPAA-compliant and, consequently, enables the use of PHI to personalize your email communications. That said, Zix doesn’t offer as many encryption options as LuxSci. Most notably, Zix doesn’t enforce Transport Layer Security (TLS) encryption or enable automated encryption. The absence of these features means that a healthcare organization’s security teams must perform more manual oversight when it comes to encryption of PHI, increasing the chance of human error.

Performance and Scalability

While Zix supports large email campaigns and provides detailed reporting functionality, LuxSci is the more prudent choice for high-volume email marketing campaigns. 

LuxSci maintains the necessary infrastructure to ensure the reliable delivery of hundreds of thousands to millions of emails per month (i.e., throughput – 1000s of emails per hour), all while adhering to HIPAA’s strict guidelines on preserving patient privacy.

Infrastructure

In the same way that LuxSci have advantages over Zix on data security capabilities, it performs well in this category too, which makes sense, as the two factors are interwoven. 

While offering a range of customary multi-tenancy infrastructure setups, Zix doesn’t accommodate dedicated, or single-tenancy, infrastructure options – for companies who can’t afford to depend on the security postures of the companies with whom they share servers. Zix, in line with its ability to facilitate large patient or customer engagement campaigns, provides enterprise-scale scalability. 

Zix also provides high availability and robust disaster recovery capabilities, so healthcare organizations can retain their operational capabilities in the event of a cyber attack. Or, alternatively, an unforeseen physical disaster that compromises a company’s infrastructure (power outages, fires, storms, intentional damage, etc.).

That said, LuxSci possesses all these features in addition to more comprehensive single-tenancy options, scalability, and secure email hosting.

Marketing Capabilities

As with our comparisons of LuxSci against email platforms like Paubox and Virtru, it’s somewhat futile to compare each platform’s marketing capabilities – as neither LuxSci or Zix are marketing platforms, in the vein of Adobe Campaign or Oracle Eloqua, for example. 

That said. LuxSci provides a HIPAA compliant marketing solution, offering automation, for streamlining email marketing campaigns, and, personalization options, for more engaging email communication campaigns. 

Ease of Use

Both LuxSci and Zix perform admirably in this category, but the edge goes to Zix, as LuxSci implementations often involve the complexities that come with large-scale, high volume use cases.

LuxSci, however, is known for offering best-in-class customer support backed by HIPAA security experts, honed as a result of over 25 years of facilitating and supporting email communication strategies for healthcare organizations of all sizes. 

Other HIPAA-compliant Products

With secure texting functionality, secure forms for HIPAA compliant data collection, and secure file sharing, LuxSci ranks well in this category.  Zix, in contrast, provides only secure file sharing – though, because of Zix Webroot’s capabilities, offers superior secure file sharing to LuxSci. 

Get Your Copy of LuxSci’s Vendor Comparison Guide

To discover how LuxSci and Zix stack up against the other leading email providers on the market when it comes to HIPAA compliance, take a look at our Vendor Comparison Guide.  Evaluating 12 email delivery platforms, the guide offers comprehensive insights on what to consider when selecting a HIPAA compliant provider, and how to choose the best solution for you.

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Pete Wermter

As a marketing leader with more than 20 years of experience in enterprise software marketing, Pete's career includes a mix of corporate and field marketing roles, stretching from Silicon Valley to the EMEA and APAC regions, with a focus on data protection and optimizing engagement for regulated industries, such as healthcare and financial services. Pete Wermter — LinkedIn

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HIPAA Compliant Email

Rethinking HIPAA Compliant Email – Not Just a Checkbox

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 NoticesReplace 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.

HIPAA compliant email

Most Popular LuxSci Blog Posts of 2025

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

HIPAA compliant email

LuxSci Welcomes Angel Mazariegos as Head of Finance

LuxSci, a leader in secure healthcare communications and HIPAA compliant email, is pleased to announce the appointment of Angel Marie Mazariegos as the company’s new Head of Finance. With over 25 years of experience in financial management, accounting, and human resources, Angel will play a central role in advancing LuxSci’s operational excellence and supporting the company’s rapid growth in 2026 and beyond.

Angel brings a wealth of expertise to LuxSci, having held senior leadership positions at organizations focused on financial services, language and access services for healthcare, and human resources. In these roles, Angel has led multi-department Finance and HR teams, spearheading critical initiatives, including ERP implementations, streamlined employee onboarding, and financial process optimization.

In her role at LuxSci, Angel will oversee all aspects of the company’s finance operations, including budgeting, forecasting and reporting. Additionally, Angel will manage the company’s HR function, ensuring that LuxSci continues to foster a strong, people-driven culture based on its Secure, Trust, Responsible and Smart company values.

“Angel’s blend of financial and HR leadership makes her an invaluable addition to the LuxSci executive team and a real asset for our people,” said Mark Leonard, CEO of LuxSci. “We look forward to working with Angel to build the high-performing teams that will be critical to our future growth and serving the evolving needs of our customers.”

Angel holds dual MBA degrees in Accounting and Human Resource Management from Cappella University, as well as dual BS degrees in Business Administration (Accounting and CIS Business Systems) from California State University, Los Angeles.

“I am honored to join the LuxSci team at such an exciting time for the company,” said Mazariegos. “I look forward to working with the team and helping build on LuxSci’s reputation for excellence and reliability in secure healthcare communications.”

HIPAA Compliant Email

LuxSci Shines in G2 Winter 2026 Reports, Underscoring Commitment to Product Leadership and Trusted Relationships

We’re pleased to announce that LuxSci has been recognized for excellence and leadership for HIPAA compliant email and messaging in the just-released G2 Winter 2026 Reports!

Based on verified customer reviews, LuxSci earned 20 G2 badges as part of the most recent G2 reports, including top honors such as Grid Leader, Highest User Adoption, Best Support, and Best Estimated ROI.

This recognition further validates what we’ve always believed: our customers don’t just choose a great product — they choose a great partner. At LuxSci, we build long-term, trusted relationships with our customers, anchored in product reliability, industry-leading email deliverability and performance, and the best customer support in the business.

Why G2 Matters

G2 is a globally trusted peer‑review platform that aggregates verified user feedback and real‑world usage data to rank software and service providers. G2’s seasonal reports like the Winter 2026 editions shine a spotlight on latest tools and vendors that deliver consistent value and satisfaction to real customers.

Earning 20 badges this quarter signals a strong vote of confidence from our customers and community, helping affirm that LuxSci is a leading, highly adopted secure email solutions provider.

What We Earned in Winter 2026

Among the 20 badges awarded to LuxSci across Email Security, Email Encryption, Email Gateway and HIPAA Compliant Messaging are:

  • Grid Leader
  • Highest User
  • Best Support
  • Best Estimated ROI

This broad range of accolades spanning leadership, adoption, support and return on investment underscores the reliability of our solutions and the trust our customers place in us.

Awards Reflect Our Commitment to Customer Success

Reliable. Winning Grid Leader and Highest User Adoption demonstrates that thousands of users are depending on LuxSci, securely delivering emails to today’s most popular platforms, including Gmail, Apple Mail, Yahoo Mail and AOL, to name a few.

Proven. With Best Estimated ROI, customers are saying that LuxSci delivers tangible results, whether in secure email delivery, regulatory compliance, or operational efficiency.

Long‑Term Trust. Best Support is perhaps the most telling because for us, success isn’t just about features, it’s about being there for our customers every step of the way.

Thank you to all of our customers. We remain committed to your success — today and in the future.

Want to learn more about LuxSci? Reach out and connect with us today!

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hands on a keyboard sending secure email

How to Secure SMTP Email Delivery with TLS

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

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

In particular:

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

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

Secure SMTP Email Delivery with TLS 

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

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

Using TLS requires that the server administrators:

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

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

The sending computer or server could be configured for:

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

How Secure is Email Delivery over SMTP TLS?

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

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

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

What About Replies to Secure Messages?

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

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

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

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

What are the Weaknesses of SMTP TLS?

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

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

The Latest Updates to Secure SMTP TLS

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

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

How Secure SMTP TLS Email Works with LuxSci

Inbound TLS

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

Outbound Opportunistic TLS

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

Forced TLS

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

Support for strong encryption

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

Does LuxSci Have Any Other Special TLS Features?

When using LuxSci SecureLine for outbound email encryption:

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

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

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

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

secure communication platform

HIPAA Compliance For Email

Ensuring HIPAA compliance for email is crucial for healthcare organizations and their business associates when handling Protected Health Information (PHI). HIPAA regulations require strict safeguards, including access controls, audit logs, integrity protections, and transmission security, to prevent unauthorized access and breaches. Encryption plays a key role in securing PHI during email exchanges, and organizations must establish comprehensive email policies aligned with the HIPAA Privacy Rule. Additionally, some state laws may impose stricter requirements, such as obtaining explicit patient consent before using email for PHI. Understanding these regulations is essential for maintaining compliance, protecting patient data, and avoiding costly penalties.

The Health Insurance Portability and Accountability Act (HIPAA) is a complicated law that sets the standards for collecting, transmitting, and storing protected health information (PHI). When information is stored or exchanged electronically, the HIPAA Security and Privacy Rules require covered entities to safeguard its integrity and confidentiality. One of the most common ways that PHI is shared electronically is via email. Understanding how HIPAA email rules apply is essential to meet HIPAA requirements and protect sensitive data.

The HIPAA Email Security Rule

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

  1. Organizational requirements state the specific functions a covered entity must perform, including implementing policies and procedures and obligations concerning business associate contracts.
  2. Administrative requirements relate to employee training, professional development, and management of PHI.
  3. 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.
  4. Technical safeguards ensure the security of email data transmitted over an open electronic network and the storage of that data.

Below, we discuss some of the main requirements that apply to email and the steps you need to take to secure email accounts that transmit and store PHI.

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HIPAA Compliance Email Rules

While email encryption gets most of the spotlight during discussions on HIPAA compliant email security, HIPAA regulations for email cover a range of behaviors, controls, and services that work together to address eight key areas.

1. AccessAccess controls help safeguard access to your email accounts and messages. Implementing access controls is essential to keep out unauthorized users and secure your data. Some key steps to take include:

  • Using strong passwords that cannot be easily guessed or memorized.
  • Creating different passwords for different sites and applications.
  • Using two-factor authentication.
  • Securing connections to your email service provider using TLS and a VPN.
  • Blocking unencrypted connections.
  • Being prepared with software that remotely wipes sensitive email off your mobile device when it is stolen or misplaced.
  • Logging off from your system when it is not in use and when employees are away from workstations.
  • Emphasizing opt-out email encryption to minimize breaches resulting from human error.

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

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

3. Backups and ArchivalHIPAA email retention rules require copies of messages containing PHI to be retained for at least six years. To address these requirements, organizations must consider the following:

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

4. Defense: Cyber threats against healthcare organizations are continually increasing. Some may be surprised to learn that HIPAA secure email requirements mandate that organizations take steps to defend against possible attackers. To defend against malicious messages, consider implementing the following technologies:

  • Server-side inbound email malware and anti-virus scanning to detect phishing and malicious links
  • Showing the sender’s email address by default on received messages
  • Email filtering software to detect fraudulent messages and ensure it uses SPF, DKIM, and DMARC information to classify messages
  • Scanning outbound email
  • Scanning workstations for malware and virus
  • Using plain text previews of your messages

5. Authorization: A crucial aspect of HIPAA secure email requirements is ensuring that bad actors cannot impersonate your company or employees. Configuring your domains with SPF and DKIM is essential to verify your identity as an authorized sender of mail from your domains. Also, ensure that users cannot send messages through your email servers without authentication and encryption.

6. Reporting: Setting accountability standards for email security is essential to establishing and improving your HIPAA compliance posture. Some important steps to take include:

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

7. Reviews and Policies: Humans are the greatest vulnerability to any security and compliance plan. Create policies and procedures that focus on plugging vulnerabilities and preventing human errors. Some ways to reduce risk include:

  • Inviting independent third parties to review your email policies and user settings. Fresh, unbiased eyes can weed out issues quickly.
  • Disallowing the use of public Wi-Fi for devices that connect to your sensitive email.
  • Creating email policies prohibiting users from clicking on links or opening attachments that are not expected or requested.

8. Vendor Management: Most people do not manage their email in-house. Properly vetting and researching whoever will be responsible for your email services is essential. Perform a yearly review of your email security and stay on top of emerging cybersecurity threats to take proactive action when necessary for sustained HIPAA compliance.

LuxSci’s secure email solutions were designed to help organizations tackle complicated HIPAA email rules. Contact us today to learn more how we can help you secure sensitive data.

Documenting HIPAA Compliance For Email

HIPAA compliant email requires documented proof that privacy and security protocols are being followed. HIPAA email systems must include audit trails, policy records, and incident response documentation that demonstrate appropriate safeguards are in place. Healthcare organizations benefit from clear documentation practices that satisfy regulatory inspectors while supporting daily operations and staff training activities.

Email Policy Documentation and Implementation Records

Healthcare organizations must develop written policies that govern HIPAA email usage according to Privacy Rule and Security Rule standards. Email policies should specify encryption requirements, staff responsibilities for handling patient information, and procedures for responding to security incidents. Policy documents must include implementation dates, responsible staff members, and update procedures when regulations change or organizational needs evolve.

Training records provide evidence that employees understand their HIPAA email obligations and can properly implement security procedures. Documentation should capture completion dates, training topics, assessment scores, and remedial training when staff members fail initial evaluations. Organizations that cannot produce training records struggle to prove employees received instruction appropriate to their job functions and access to patient information.

Business Associate Agreement files cover relationships with email service providers and other vendors handling protected health information. Contract documentation should include security specifications, incident reporting procedures, and audit rights that allow healthcare organizations to verify vendor performance. Without proper agreements, healthcare organizations expose themselves to liability when vendors mishandle patient information.

Risk assessment documentation identifies vulnerabilities in HIPAA email systems and describes corrective measures implemented to address identified problems. Assessment records should include evaluation methods, discovered issues, remediation plans, and verification that fixes have been properly implemented. Many organizations conduct risk assessments but fail to document their findings, making it difficult to track improvements over time.

Audit Trail Management and Log Analysis

HIPAA compliance for email depends on audit logs that track user activities, system access, and message handling throughout email platforms. Audit systems should capture login events, message transmission records, administrative changes, and security alerts that might indicate potential violations. Log protection prevents tampering while ensuring data remains accessible for regulatory review periods.

Monitoring systems can identify unusual email usage patterns that suggest security incidents or policy violations. Alert capabilities should flag failed login attempts, large file transfers, abnormal message volumes, and access from unauthorized locations. Real-time monitoring helps healthcare organizations respond quickly to potential security events before they escalate into breaches.

Log review schedules ensure audit data receives regular examination for potential security incidents or policy violations. Review procedures should specify analysis frequency, responsible personnel, and escalation steps when suspicious activities are discovered. Some entities collect extensive audit data but never review it, missing opportunities to identify security problems early.

Log retention policies balance storage costs with regulatory requirements and potential legal discovery obligations. Retention schedules should consider HIPAA requirements alongside other applicable regulations that might demand longer storage periods.Log data must be destroyed properly when retention periods expire to prevent unauthorized access to historical communications.

Incident Response Documentation and Breach Investigation

HIPAA email incident response procedures must address security events and human errors that might compromise patient information. Response plans should include assessment procedures, containment steps, investigation protocols, and notification requirements for different incident types. Quick response often determines whether a minor security event becomes a reportable breach.

Breach investigation procedures help healthcare organizations determine whether email incidents constitute breaches of unsecured protected health information under HIPAA definitions. Investigation protocols should include evidence collection methods, impact assessments, timeline development, and documentation standards that support internal decisions and potential regulatory reporting. Complex incidents may require external legal and technical expertise.

Notification procedures vary based on incident severity and the type of information potentially compromised. Internal notification processes ensure appropriate personnel are informed about incidents and can participate in response activities. Patient notification requirements create legal obligations that organizations must fulfill within timeframes established by federal regulations.

Corrective action documentation describes measures implemented to prevent similar incidents and demonstrates organizational commitment to improving email security. Action plans should include root cause analysis, remediation steps, implementation timelines, and verification procedures that confirm corrective measures work as intended. Organizations that implement fixes without documenting them may repeat the same mistakes when staff turnover occurs.

Staff Training Documentation and Competency Records

HIPAA email training programs must address technical email operations and regulatory requirements for handling protected health information. Training materials should cover encryption procedures, access controls, incident reporting, and acceptable use policies for email communications. Role-based training ensures different staff groups receive instruction appropriate to their job functions and patient information access levels.

Competency verification procedures help healthcare organizations confirm staff members understand and can properly implement HIPAA email security measures. Verification methods may include written tests, practical demonstrations, and performance monitoring that evaluate staff compliance with email policies. Training programs without competency verification cannot prove that employees actually learned the required information.

Refresher training schedules ensure staff members stay current with evolving threats, policy updates, and new email system features. Training frequency should consider technology change rates, emerging security threats, and organizational policy modifications. Staff members who received training years ago may not remember procedures or may have developed bad habits that compromise security.

Training effectiveness measurement helps healthcare organizations evaluate whether HIPAA email training programs meet learning objectives. Measurement approaches may include before and after assessments, incident rate analysis, and feedback collection that provide insights into training quality. Organizations should adjust training content based on effectiveness data to ensure educational efforts support compliance goals.

System Configuration and Change Control Records

Email system configuration documentation provides detailed records of security settings, access controls, and integration setups that support HIPAA compliance for email. Configuration records should include baseline security settings, approved modifications, and verification procedures that confirm systems maintain appropriate security levels. System administrators need current configuration records to troubleshoot problems and maintain security standards.

Change management procedures ensure modifications to HIPAA email systems receive proper evaluation, testing, and documentation before implementation. Change processes should include security impact assessments, testing protocols, approval workflows, and rollback procedures that minimize risks to email security. Changes made without proper documentation and approval create security vulnerabilities that may not be discovered until a breach occurs.

Version control procedures help healthcare organizations track changes to email system configurations and maintain the ability to restore previous settings when problems occur. Version documentation should include change descriptions, implementation dates, responsible personnel, and verification that modifications function properly. Organizations need version control to understand how their systems evolved and to reverse changes that cause problems.

Patch management procedures ensure email systems receive security updates promptly while maintaining system stability and compliance. Patch processes should include vulnerability assessment, testing protocols, deployment schedules, and verification that updates install correctly. Delayed patching leaves systems vulnerable to known exploits that criminals actively target.

HIPAA Compliant Email Vendor Management and Contract Documentation

Email service provider relationships must include Business Associate Agreements that specify security requirements, compliance obligations, and incident reporting procedures. Contract documentation should cover data handling standards, audit rights, and termination procedures that protect healthcare organizations when vendor relationships end. Regular vendor performance reviews ensure service providers continue meeting contractual obligations.

Vendor compliance verification ensures email service providers maintain their obligations under Business Associate Agreements and healthcare security standards. Verification activities may include security certification reviews, audit report analysis, and compliance documentation that demonstrates ongoing adherence to healthcare privacy requirements. Healthcare organizations that trust vendors without verification may discover compliance failures only after incidents occur.

Service level agreement documentation defines performance expectations, availability targets, and response times for email services and security incidents. Agreement records should include uptime guarantees, incident response procedures, and remediation steps when service levels are not met. Performance tracking helps healthcare organizations evaluate vendor reliability and compliance with contractual commitments.

Vendor communication records document interactions about security updates, policy changes, and compliance requirements that affect email services. Communication logs should include update notifications, compliance discussions, and resolution of security concerns that arise during vendor relationships. Good communication records help resolve disputes and ensure both parties understand their obligations when changes occur.

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What Is a HIPAA Compliant Email API?

HIPAA compliant email API enables healthcare applications to send automated emails containing protected health information through secure programming interfaces that meet HIPAA Security Rule requirements. These APIs provide encryption, access controls, and audit logging capabilities while allowing developers to integrate email functionality into healthcare software without compromising patient privacy or regulatory compliance. Healthcare software applications increasingly need automated email capabilities for appointment reminders, test results, billing notifications, and care coordination communications. Standard email APIs lack the security features and compliance controls necessary for transmitting PHI, requiring specialized solutions designed for healthcare use cases.

API Authentication and Access Controls

HIPAA compliant email APIs implement robust authentication mechanisms that verify the identity of applications and users before allowing access to email services. These systems typically use API keys, OAuth tokens, or digital certificates to establish secure communication channels between healthcare applications and email services. Role-based access controls allow healthcare organizations to limit API functionality based on user privileges and business needs. Appointment scheduling systems might have permission to send calendar reminders while being restricted from accessing patient medical records or billing information. Rate limiting and usage tracking help prevent unauthorized bulk email sending and detect potential security threats. API providers monitor usage patterns and can automatically restrict access when they detect unusual activity that might indicate compromised credentials or malicious use.

Message Encryption and Security Features

Email messages sent through HIPAA compliant APIs receive automatic encryption during transmission and storage. These systems typically support multiple encryption standards including TLS for transport security and end-to-end encryption for message content protection. Message validation features help ensure that emails containing PHI meet compliance requirements before transmission. APIs can check for proper authorization, validate recipient addresses, and verify that message content follows organizational policies for PHI disclosure.

Secure message delivery tracking provides confirmation when recipients receive and access encrypted emails. This audit trail helps healthcare organizations demonstrate compliance with HIPAA requirements and provides documentation for potential breach investigations or regulatory audits.

Integration with Healthcare Workflows

HIPAA compliant email APIs connect seamlessly with electronic health record systems, practice management platforms, and other healthcare applications. These integrations enable automated patient communications that trigger based on clinical events, scheduling changes, or administrative milestones. Template management systems allow healthcare organizations to create standardized email formats that ensure consistent messaging while maintaining compliance controls. Templates can include dynamic content from patient records while preventing unauthorized PHI disclosure through automated formatting rules. Event-driven messaging capabilities enable real-time communications based on healthcare system activities. Laboratory systems can automatically send encrypted test results to ordering physicians immediately after completion, improving care coordination and reducing manual data entry requirements.

Audit Logging and Compliance Tracking

HIPAA compliant email APIs maintain detailed logs of all messaging activities including sender identification, recipient information, message content summaries, and delivery status. These logs provide the documentation necessary for compliance audits and breach investigations. Automated compliance reporting features help healthcare organizations track email usage patterns and identify potential policy violations. Reports can highlight unusual sending volumes, unauthorized recipient addresses, or messages that might contain inappropriate PHI disclosures.

Data retention policies ensure that API logs and message archives meet HIPAA requirements while managing storage costs and system performance. Healthcare organizations can configure retention periods based on their compliance needs and operational requirements.

Developer Tools and Documentation

API documentation provides healthcare software developers with detailed technical specifications, code samples, and integration guides for implementing HIPAA compliant email functionality. These resources help development teams understand security requirements and implement proper PHI handling procedures. Software development kits (SDKs) simplify API integration by providing pre-built libraries for common programming languages and frameworks. These tools handle encryption, authentication, and compliance features automatically, reducing the risk of implementation errors that could compromise PHI security. Testing environments allow developers to validate their integrations without exposing real patient data. Sandbox systems provide realistic API responses while using synthetic data that enables thorough testing of email functionality and error handling procedures.

Scalability and Performance Considerations

HIPAA compliant email APIs must handle varying message volumes without compromising security or compliance controls. Healthcare organizations experience different email patterns based on patient schedules, clinical activities, and administrative cycles that require flexible capacity management. Load balancing and redundancy features ensure reliable email delivery even during peak usage periods or system maintenance activities. API providers typically maintain multiple data centers and failover systems that prevent service disruptions from affecting patient communications.

Performance analytics help healthcare organizations optimize their email communications and identify potential bottlenecks in their workflows. Metrics include delivery speeds, error rates, and system response times that enable proactive performance management and capacity planning.

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How do I fix the reputation of my IP address?

It happens — you’re sending email messages without issue, and then suddenly emails are not being delivered, or they’re being flagged as spam. A little digging reveals that the problem is that your “IP reputation” is poor, and you need to fix it somehow.

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