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Why Should You Integrate CDPs and Email?

Why Should You Integrate CDPs and Email?

Growing numbers of healthcare organizations are turning to Customer Data Platforms (CDPs) to consolidate and leverage patient data (or electronic protected health information (ePHI) from electronic health record (EHR) systems, RCM platforms, CRM systems, websites, communications channels, and other various sources. 

CDPs enable healthcare providers, payers, and retailers to better understand each patient’s needs, health conditions, treatment schedules, ongoing care, and so on, enabling them to take the right actions, at the right time to improve engagement. This results in more patient participation, enhanced coordination with providers and companies, and, ultimately, improved patient outcomes.

Why Should You Integrate CDPs and Email?

Integrating the functionality of a CDP with a HIPAA compliant email platform, such as LuxSci, empowers you to put your data into action. This includes enabling you to better target your various segments using real-time communications data – such as email opens, clicks and conversions – as well as using PHI in secure messages for greater personalization – all while operating within the bounds of HIPAA (the Health Insurance Portability and Accountability Act) regulations. 

With this in mind, this post discusses the benefits of integrating your organization’s CDP solution with a HIPAA compliant email solution. We’ll explore the main benefits and how to integrate the two solutions, as well as several effective strategies for leveraging the valuable PHI stored within your CPD to increase patient and customer engagement.

Benefits of Integrating a CDP with HIPAA Compliant Email

Let’s begin by looking at the main advantages of pairing your CDP with a HIPAA compliant email platform.

Increased Protection of Customer Data

Above all, HIPAA compliant email platforms are specifically designed with the stringent data privacy and security requirements of the healthcare industry in mind. As a result, they contain a range of data security features, including encryption, access control, user authentication, and audit logging, that both better safeguard ePHI from unauthorized access and ensure HIPAA compliance. In short, HIPAA compliant email helps ensure that when valuable and sensitive CDP information is put into use, i.e. using it in patient emails and communications, it’s protected and safe both in transit and at rest.

Avoid the Consequences of HIPAA Violations

By opting for an email provider that meets the security requirements for HIPAA compliance – and better yet, HITRUST certification – your company can better mitigate the risk of data breaches, and the compliance violations that accompany them. The consequences of HIPAA compliance violations include: 

  • Financial penalties: this includes regulatory fines, legal fees and compensation to affected parties, and state-level fines (in certain cases). In the event that compliance officers can prove willful neglect, your company may even face criminal charges, incurring further damage.  
  • Operational disruptions: suffering a security breach requires healthcare organizations to spend time on containment and notifying and reassuring affected parties, as well as taking subsequent mitigation efforts – all of which take time away from running the day-to-day business.
  • Reputational damage: displaying an inability to safeguard sensitive data will cause patients and customers to lose trust in your organization and move to other providers or suppliers.

Enhanced Personalization in Engagement Efforts

With ongoing uncertainty around HIPAA regulations, healthcare companies are often reluctant to include PHI in their email communications and campaigns, missing opportunities to fully leverage your CDP to create more effective, more relevant messages, targeting highly segmented audiences. Safe in the knowledge that customer data derived from your CDP will be secured by your HIPAA compliant email provider or HIPAA compliant marketing solution, you can confidently include PHI in communications to craft more personalized – and potent – engagement opportunities.  

The data aggregated by CDPs can be used to divide, or segment, customers into smaller groups with particular commonalities, such as a health condition like diabetes, or users of a particular type of medical equipment. Healthcare marketers can use the shared needs and problems of each patient or customer segment to drive more effective and targeted campaigns that deliver more opens, clicks, and conversions.

Strategies for Leveraging Customer Data Through CDP and Email Integration

Having a better understanding of the benefits of CDP integration with your email communications, let’s move on to a few of the most effective ways to leverage your customer data through a HIPAA compliant, secure email services provider (ESP).

Segmenting Customers by Health Condition or Risk Profile

The first strategy, as alluded to above, is to use the health-oriented data stored in your CDP to group customers into segments that you can target with highly personalized messaging – using PHI to your advantage. Segmentation could be based on health conditions, such as demographics, location, or by a patient’s lifestyle risk factors, e.g., smokers. 

Having defined your segments, you can create personalized email campaigns for each, which are far more likely to drive engagement and actions versus messages designed to appeal to everyone or with limited information. Better still, you can create different email campaigns to fulfill different purposes with automated workflows based on how your patients respond, giving you a range of opportunities to reach out and connect. Using intelligence from your CDP, you can design your email campaigns to:

  • Educate: send patients and customers educational materials designed to increase their understanding of their state of health and the options available to them for creating the most favorable outcomes. 
  • Offer adherence advice: include information on how to best adhere to a prescribed care or treatment plan, resources on overcoming common challenges, where to go for support, etc. 
  • Provide preventive care tips: help patients who fit a particular risk profile, such as diabetes or heart disease, make better lifestyle choices, with the ultimate aim of avoiding the disease they’re at risk of. 

Lifecycle-Based Messaging

This is a variation on the above strategy that segments patients and customers based on how far along they are in their treatment lifecycle, for instance: 

  • Onboarding: messaging that introduces your services, explains how to access care, and covers other preliminary details; this stage is essential for setting expectations and establishing trust with your patients and customers.
  • Active Treatments: regular check-ins, medication reminders, preparation guides, and educational resources based on their condition or treatment plan; this messaging is designed to support adherence and improve healthcare outcomes.
  • Follow-Up and Recovery: personalized care instructions, satisfaction surveys, or information about next steps; this shows ongoing support and maintains consistent communication when a patient may be feeling most vulnerable. 
  • Preventive and Long-Term Care: triggering routine screening reminders, vaccine alerts, or wellness tips based on age, history, and risk factors; an integrated CDP and email system can track when patients are due for services and automate communication accordingly.
  • Re-engagement: sending patients who have been inactive for a while tailored prompts, e.g., “We haven’t seen you in a while…”; this encourages proactivity and helps highlight new services that may be of interest.

Behavior-Triggered Messaging

Integrating your CDP with a HIPAA compliant email platform enables you to automate email delivery and workflows based on a customer’s behavior and engagement patterns. This type of email is enabled by the CDP’s ability to monitor events and behaviors across multiple activities and locations, enabling you to create email campaign strategies and workflows accordingly. This approach allows for a range of timely and relevant engagement opportunities, including: 

  • Missed appointments: sending a message if a patient misses an appointment that encourages them to reschedule and assists them in how to do so. 
  • Periodic checkup reminders: similarly, if a patient is supposed to have regular checkups, follow-up appointments, a recommended health screening, etc., this data can be passed from the CDP to the email client to schedule automated emails that drive up appointment bookings.  
  • Unfilled prescriptions: if a patient hasn’t picked up their prescribed medication, you can automatically trigger an email reminder and automated workflow to get the prescription filled; this information can also be fed back to their healthcare providers if repeated reminders see the prescription remain unfilled. 
  • Patient portal inactivity: if a user hasn’t logged into a portal for a predefined time frame, this can prompt a re-engagement email encouraging them to check messages in their portal, view test results, etc. 
  • Form completion: after inputting data into a web form, an integrated CDP can help facilitate the delivery of a tailored email that offers guidance on next steps or the most relevant products or services based on given answers.

Implement Feedback Loops for Optimized Engagement

Finally, a key benefit of integrating a CDP with a HIPAA compliant email platform is that it enables you to close the loop between engagement and results. By feeding campaign performance data, such as email opens, clicks, conversions, and other key metrics, back into your CDP, you can continuously refine your email outreach strategies to enhance engagement, while developing a more complete data profile of patients and customers.

Put Your CDP into Action with LuxSci Secure Email

Integrating HIPAA compliant communications solutions like LuxSci with your healthcare organization’s CDP empowers you to securely harness your customer data in email communications for consistent, timely, and relevant engagement – for better health outcomes and better business. 

To learn more about LuxSci’s suite of secure HIPAA compliant communication solutions and how we seamlessly integrate with leading CDP solutions to improve engagement, contact us today!

Picture of Pete Wermter

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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LuxSci G2 2026

LuxSci Earns 19 G2 Spring 2026 Badges

LuxSci continues its strong performance in the G2 Spring 2026 Reports, earning 19 badges that reflect real customer satisfaction and consistent product excellence across multiple areas, including email encryption, HIPAA compliant messaging, email security and email gateways.

G2: A Highly Reputable Peer Review Platformn

In a crowded software landscape, it’s easy for bold claims to blur together. That’s where G2 stands apart. Its rankings are based entirely on verified user feedback, giving buyers a clearer picture of how solutions actually perform in day-to-day use, not just how they’re marketed.

For Spring 2026, LuxSci earned recognition across multiple categories, including Leader, Best Customer Support, and Best ROI. Together, these awards show that LuxSci delivers leading technology and a best-in-class customer experience.

What the Badges Represent

Each G2 badge reflects direct input from customers using LuxSci in real-world environments. These evaluations cover usability, onboarding, support responsiveness, and long-term value. LuxSci’s Spring 2026 badges span leadership, customer satisfaction, ROI, and ease of implementation, demonstrating consistent strength across the full customer lifecycle.

Leader Badge: Market Leadership Validated

The Leader badge is awarded to companies with high customer satisfaction and strong market presence. LuxSci’s placement reflects reliable performance, strong security, and continued trust from organizations operating in highly regulated environments like healthcare.

Best Customer Support: A Standout Strength

In secure healthcare communications, timely and accurate support is essential. Issues must be resolved quickly to avoid operational or compliance risks. Customers consistently highlight LuxSci’s fast response times, deep expertise, and a hands-on approach, showing that our technology and our people deliver meaningful, real-world solutions.

Best ROI: Proven Business Value

ROI includes reduced compliance risk, improved efficiency, and scalable operations, not just cost. Customers report measurable benefits from LuxSci’s reliability, built-in compliance, and streamlined workflows, leading to strong long-term value and a solution that keeps you ahead of security and compliance risks.

What This Means for LuxSci Customers

These awards show LuxSci’s ability to serve organizations of varying sizes, from mid-market to enterprise. All reviews are from verified users, ensuring authenticity and transparency. Customers consistently mention reliability, security, and responsive support, along with overall peace of mind. The recognitions validate LuxSci’s ability to deliver secure, dependable communication solutions backed by strong support, including HIPAA compliant email, marketing and forms.

LuxSci’s 10 G2 Spring 2026 badges—including Leader, Best Customer Support, and Best ROI—demonstrate consistent excellence across performance, usability, and customer satisfaction. These results reinforce its position as a trusted provider in secure communications.

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LuxSci MFA

Traditional MFA No Longer Qualifies as “Reasonable” Security

For years, multi-factor authentication (MFA) was considered one of the most effective ways to protect sensitive systems. By requiring a second verification step, such as a text message code or push notification, organizations could significantly reduce the risk of compromised passwords.

But the threat landscape has changed.

Today, attackers routinely bypass traditional MFA using techniques such as MFA evasion, token replay attacks, and consent phishing. These methods are no longer rare or highly sophisticated. They are widely used, automated, and increasingly effective.

As a result, regulators, auditors, and security frameworks are raising expectations for authentication security. For healthcare organizations in particular, traditional MFA alone may no longer satisfy the HIPAA requirement to implement “reasonable and appropriate safeguards.”

In the near future, email systems that rely only on basic MFA, without conditional access or phishing-resistant authentication, may increasingly be viewed as security gaps during risk assessments.

Why Traditional MFA Is No Longer Enough

Traditional MFA still improves security compared to passwords alone. However, many common MFA methods were designed before today’s phishing techniques and cloud authentication attacks became widespread.

Common MFA methods include:

  • SMS verification codes
  • Email-based authentication codes
  • Push notifications to mobile apps

While these mechanisms add friction for attackers, they can still be intercepted or manipulated during sophisticated phishing attacks. Because modern attackers now target authentication workflows directly, organizations relying solely on traditional MFA may be more vulnerable than they realize.

How Attackers Bypass MFA Today

Cybercriminals increasingly rely on tools that capture credentials and authentication tokens during login sessions. Three attack techniques are now especially common.

  • MFA Evasion and Phishing Proxies – Attackers frequently deploy adversary-in-the-middle phishing kits that sit between the user and the real login service. When users enter their credentials and MFA code on a phishing page, the attacker forwards the information to the legitimate site and captures the authentication session. The user successfully logs in—but the attacker gains access as well. If attackers capture those tokens, they can reuse them to access the account directly.
  • Token Replay Attacks – After successful authentication, systems typically issue session tokens that allow users to remain logged in without repeated MFA prompts. This technique has been widely observed in attacks targeting cloud email platforms such as Microsoft 365, allowing attackers to access email data even when MFA is enabled.
  • Consent Phishing – Consent phishing bypasses MFA entirely. Instead of stealing passwords, attackers trick users into granting permissions to malicious applications that request access to their mailbox or files. If users approve the request, the attacker’s application receives persistent access to the account through APIs—often without triggering security alerts.

Why Email Authentication Matters Most in Healthcare

Email remains one of the most critical systems in healthcare organizations. It supports patient communication, internal collaboration, and the exchange of sensitive information. Unfortunately, it is also the most frequently targeted entry point for cyberattacks.

Once attackers gain access to an email account, they can:

  • Impersonate healthcare staff
  • Launch internal phishing attacks
  • Access sensitive patient communications
  • Extract protected health information (PHI)

Because of this, email authentication controls are becoming a major focus for security teams and compliance auditors alike.

Evolving Regulatory Expectations

HIPAA does not prescribe specific technologies, but it requires organizations to implement safeguards that are “reasonable and appropriate” based on risk. As new attack methods emerge, the definition of reasonable security evolves.

Today, many security frameworks and regulatory bodies are emphasizing stronger identity protections, including:

  • Phishing-resistant authentication
  • Conditional access policies
  • Monitoring for suspicious login behavior
  • Controls for third-party application permissions

Organizations that rely solely on basic MFA may increasingly struggle to demonstrate that their authentication protections are sufficient.

The Shift Toward Phishing-Resistant Authentication

To address the weaknesses of traditional MFA, many organizations are adopting phishing-resistant authentication technologies, which can be enabled with tools like Duo and Okta. These solutions rely on cryptographic authentication tied to trusted devices, which prevents attackers from capturing or replaying login credentials.

Examples include:

  • Hardware security keys
  • Passkeys
  • Certificate-based authentication

Because authentication is tied to both the device and the legitimate website domain, these technologies significantly reduce the success rate of phishing attacks.

Why Conditional Access Is Becoming Essential

Conditional access adds another layer of protection by evaluating context and risk before granting access. Instead of treating every login the same, conditional access policies analyze signals such as:

  • Device security status
  • Geographic location
  • Network reputation
  • User behavior patterns

If something appears unusual, such as a login from a new country, the system can require stronger authentication or block the attempt altogether. This risk-based approach to authentication helps prevent many account compromise scenarios.

The Future of HIPAA Risk Assessments

As authentication threats evolve, healthcare security assessments are increasingly focusing on identity protection maturity. Organizations may begin seeing findings related to:

  • Weak or outdated MFA methods
  • Lack of conditional access policies
  • Insufficient monitoring of login activity
  • Unrestricted third-party application permissions

In particular, email systems without advanced authentication protections may be flagged as high-risk vulnerabilities, especially when PHI is accessible.

LuxSci’s Modern Approach to MFA

Modern threats require more than a simple second login factor. LuxSci approaches authentication security with layered identity protection designed specifically for healthcare environments.

Instead of relying solely on basic MFA methods like SMS codes or email verification, LuxSci supports stronger authentication controls and policies that align with evolving security expectations. These protections can include:

  • Strong multi-factor authentication options
  • Monitoring for unusual login behavior
  • Enhanced identity verification mechanisms

By combining multiple security layers within its HIPAA-compliant secure communications email and marketing solutions, LuxSci helps healthcare organizations protect sensitive email communications while maintaining usability for providers, health plan administrators, payment providers, and patient engagement teams.

Conclusion

Multi-factor authentication remains an important security control—but not all MFA is created equal. Attack techniques such as phishing proxies, token replay, and consent phishing have demonstrated that traditional MFA methods can be bypassed. As a result, regulators and auditors are increasingly expecting stronger identity protections.

For healthcare organizations that rely heavily on email communications, the implications are significant. Weak authentication controls can expose sensitive patient data and may soon appear as high-risk findings during HIPAA risk assessments. The organizations best positioned for the future will be those that modernize authentication strategies now, moving toward phishing-resistant methods, conditional access policies, and layered identity protection.

Reach out to LuxSci today to learn how HIPAA compliant email can support both your organization’s engagement and cybersecurity needs.

FAQs

1. What is traditional MFA?

Traditional MFA refers to authentication methods that require a second verification step, typically SMS codes, email codes, or push notifications.

2. Why can attackers bypass MFA today?

Modern phishing tools can intercept authentication sessions or steal login tokens, allowing attackers to access accounts even when MFA is enabled.

3. What is phishing-resistant authentication?

Phishing-resistant authentication uses cryptographic methods tied to trusted devices, preventing attackers from capturing login credentials.

4. Why is email security especially important for healthcare organizations?

Email systems often contain patient communications and sensitive information, making them a common target for cyberattacks.

5. How can organizations improve authentication security?

Organizations can strengthen identity security by adopting phishing-resistant authentication methods, implementing conditional access policies, and monitoring login activity.

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LuxSci Automated Email Encryption

Encryption Optional Email Will Fail Audits in 2026 and Beyond

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.

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LuxSci Oiva Health

LuxSci and Oiva Health Combine to Form Transatlantic Healthcare Communications Group

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

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What Makes a Platform HIPAA Compliant?

A platform becomes HIPAA compliant through a combination of security features, privacy controls, and administrative processes that protect patient information according to HIPAA regulations. No platform is inherently compliant but, rather, compliance emerges from implementing required safeguards, obtaining a Business Associate Agreement, and configuring the platform HIPAA compliant settings to handle protected health information properly. Healthcare organizations must evaluate platforms based on these capabilities and implement appropriate security measures to maintain compliance.

Core Security Protections

To make a platform HIPAA compliant, entities must incorporate several fundamental security capabilities. Encryption protects data both during storage and transmission, preventing unauthorized access. Authentication systems verify user identities through methods like password requirements and multi-factor verification. Access controls restrict what information different users can view based on job roles and responsibilities. Audit logging creates records of who accessed information and what actions they performed. Backup systems maintain data availability while incorporating appropriate security protections. These features enable organizations to implement the safeguards required by the HIPAA Security Rule.

Vendor Agreement Framework

HIPAA compliant platforms provide Business Associate Agreements (BAAs) establishing vendor responsibilities for protecting healthcare information. These agreements define how the platform vendor handles protected health information and outlines security obligations. Platforms designed for healthcare use typically offer standardized BAAs as part of their service agreements. The agreement specifies which portions of the platform fall under compliance coverage, as some vendors exclude certain features or services. Organizations must obtain these agreements before storing any patient information on third-party platforms regardless of security features implemented.

Patient Data Privacy Mechanisms

Platforms supporting healthcare data incorporate privacy controls aligned with HIPAA requirements. Notice functionality allows organizations to inform patients about information usage and their privacy rights. Consent management captures and stores patient authorizations for information disclosures. Access request handling helps organizations respond when patients want copies of their records. These privacy features help organizations fulfill obligations under the HIPAA Privacy Rule. While security prevents unauthorized access, privacy controls manage authorized information usage according to regulatory requirements and patient preferences.

Compliance Evidence Generation

To make a platform HIPAA compliant, entities can adopt solutions that provide documentation capabilities demonstrating regulatory adherence. Configuration documentation shows how security settings protect patient information. Audit reports detail system access and usage patterns for compliance verification. Risk assessment tools help identify potential vulnerabilities within platform implementations. These documentation features support healthcare organizations during internal reviews and external audits. Thorough reporting capabilities allow organizations to demonstrate due diligence in protecting healthcare information when questions arise about compliance status.

Healthcare Process Enablement

Platforms designed for healthcare environments incorporate features that maintain compliance while supporting clinical and administrative workflows. Secure messaging allows providers to discuss patient care without compromising confidentiality. Document management includes appropriate security controls for clinical records. Task management tracks workforce activities while protecting associated patient information. These workflow capabilities allow healthcare organizations to maintain productivity while adhering to regulatory requirements. The platform architecture considers both security needs and practical usage patterns within healthcare environments.

Continuous Protection Adaptation

HIPAA compliant maintenance includes features that support compliance over time as threats evolve. Vulnerability scanning identifies potential security issues as they emerge. Update mechanisms implement security patches without disrupting operations. Configuration management prevents inadvertent changes that might compromise compliance status. Training tools help staff understand proper system usage and security procedures. These management capabilities help organizations maintain compliance as technology and regulations evolve. Effective platforms reduce the administrative burden of ongoing compliance management while maintaining appropriate security controls

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Email HIPAA Compliance

What Is HIPAA Email Encryption?

HIPAA email encryption is a security measure that protects electronic Protected Health Information (ePHI) transmitted via email by converting readable data into coded format that only authorized recipients can decrypt. Healthcare organizations implement encryption or other appropriate protections when sending patient information electronically, particularly over open networks or to external parties. The HIPAA Security Rule classifies encryption as an addressable implementation specification under transmission security standards, requiring covered entities to conduct risk assessments and implement reasonable protections based on their operational environment. Email communication is the backbone of healthcare operations, from appointment scheduling to lab result sharing and provider consultations.

Why Do Healthcare Organizations Require HIPAA Email Encryption?

Healthcare organizations require email encryption to comply with federal regulations governing patient data protection and avoid substantial financial penalties. The HIPAA Security Rule establishes transmission security standards that apply whenever ePHI moves across electronic networks. Organizations that fail to implement adequate email security face enforcement actions from the Department of Health and Human Services Office for Civil Rights, with violation penalties ranging from $137 to $2,067,813 per incident depending on the level of negligence and harm caused. HIPAA email encryption protects organizations from data breaches that damage reputation and patient trust beyond compliance obligations. Healthcare data breaches affected over 51 million individuals in 2023, with email-related incidents accounting for a substantial portion of reported cases. Unencrypted email transmissions create vulnerabilities that cybercriminals exploit to access patient records, financial information, and other valuable data. Organizations that proactively implement email encryption show commitment to patient privacy while reducing liability exposure. Patient expectations also drive the need for secure email communications. Modern healthcare consumers expect their providers to protect personal information with the same diligence applied to financial institutions and other privacy-conscious industries. Email encryption enables healthcare organizations to meet expectations while maintaining the communication flexibility that patients and providers require for effective care coordination.

Standards of HIPAA Email Encryption

The HIPAA Security Rule establishes several standards that influence HIPAA email encryption implementation. The Access Control standard requires organizations to assign unique user identification and implement automatic logoff procedures for email systems handling ePHI. Controls ensure that only authorized personnel can access encrypted email communications and that unattended devices do not compromise patient data. Audit Controls is another applicable standard, requiring organizations to monitor email system activity and maintain logs of ePHI access attempts. Modern encrypted email solutions integrate logging capabilities that track message delivery, recipient authentication, and decryption events. Audit trails help organizations prove compliance during regulatory reviews and investigate potential security incidents.

The Integrity standard addresses how organizations protect ePHI from unauthorized alteration or destruction during transmission. Email encryption solutions include digital signatures and hash verification mechanisms that detect tampering attempts. Features ensure that patient information stays unchanged from sender to recipient, maintaining the reliability of medical communications.

Person or Entity Authentication standards require organizations to verify the identity of users accessing ePHI through email systems. Multi-factor authentication, digital certificates, and secure login procedures help healthcare organizations confirm that email recipients are authorized to receive patient information. Authentication mechanisms work alongside encryption to create layered security protection.

How Do Different HIPAA Email Encryption Methods Compare?

Transport Layer Security (TLS) encryption provides baseline protection for email communications by securing the connection between email servers. This method encrypts data during transmission but does not protect messages once they reach the recipient’s email server. TLS works well for communications between healthcare organizations with compatible email systems but may not provide adequate protection for emails sent to external recipients using consumer email services.

End-to-end encryption offers stronger protection by encoding messages so that only the intended recipient can decrypt them. This approach protects email content even if intermediate servers are compromised. Healthcare organizations often use portal-based systems that encrypt messages and require recipients to log into secure websites to view content. Solutions work with any email address while maintaining strict access controls.

S/MIME (Secure/Multipurpose Internet Mail Extensions) uses digital certificates to encrypt and digitally sign email messages. This method provides strong security but requires both sender and recipient to have compatible certificates and email clients. S/MIME works well for communications between healthcare organizations that have established certificate infrastructures but can be challenging to implement for patient communications.

PGP (Pretty Good Privacy) encryption uses public and private key pairs to secure email communications. While PGP provides excellent security, the complexity of key management makes it less practical for routine healthcare communications. Organizations reserve PGP for highly sensitive communications that require maximum security protection.

How BA Considerations Affect Encryption Decisions

Business Associate Agreements (BAAs) create contractual obligations that influence HIPAA email encryption choices for healthcare organizations. When covered entities work with email service providers, cloud storage companies, or other technology vendors that handle ePHI, they must establish BAAs that define security responsibilities. Agreements specify encryption requirements and outline how both parties will protect patient information.

Email service providers that sign BAAs become business associates subject to HIPAA Security Rule requirements. Organizations verify that their email vendors implement appropriate encryption, access controls, and audit mechanisms. The shared responsibility model means that while vendors provide platform security, healthcare organizations remain responsible for proper configuration and user training.

Third-party email encryption services operate as business associates, providing specialized security features that standard email platforms lack. Services offer portal-based encryption, policy-based automation, and integration with existing email systems. When evaluating encryption vendors, healthcare organizations review their compliance certifications, security audits, and breach response procedures.

Cloud-based email platforms like Microsoft 365 and Google Workspace offer encryption features but require careful configuration to meet HIPAA requirements. Organizations enable appropriate security settings, configure data loss prevention policies, and ensure that encryption applies to both email storage and transmission. Ongoing monitoring helps verify that platforms maintain HIPAA-compliant configurations.

The Implementation of HIPAA Email Encryption Policies

Effective HIPAA email encryption policies begin with risk assessments that identify how organizations handle ePHI in email communications. Assessments examine current email practices, evaluate security vulnerabilities, and determine appropriate encryption requirements for different types of communications. Organizations document their findings and use them to develop encryption policies that address their operational needs.

Policy development requires clear guidelines about when encryption is required, which methods are acceptable, and how users handle different types of patient information. Organizations create tiered approaches that require automatic encryption for all ePHI while allowing conditional encryption for communications that may contain patient information. User training programs help staff understand requirements and implement them consistently.

Implementation procedures address email client configuration, user authentication, and recipient verification processes. Organizations need to establish workflows for handling encrypted emails, managing encryption keys or passwords, and troubleshooting delivery issues. Regular testing ensures that encryption systems work properly and that staff can operate them effectively under normal and emergency conditions.

Monitoring and maintenance procedures help organizations verify ongoing compliance with their email encryption policies. Regular audits of email system logs, encryption usage statistics, and user compliance help identify potential issues before they become violations. Organizations establish incident response procedures for handling encryption failures, lost passwords, or suspected security breaches.

Challenges of HIPAA Email Encryption

User adoption is one of the most persistent challenges in HIPAA email encryption implementation. Healthcare staff often perceive encryption as complicated or time-consuming, leading to inconsistent usage or workaround attempts. Organizations address this challenge through training programs, user-friendly encryption solutions, and automated policies that apply encryption without requiring user intervention.

Interoperability issues arise when healthcare organizations try to communicate with external parties who use different email systems or encryption methods. Patients, referring physicians, and other partners may not have compatible encryption tools, creating barriers to secure communication. Portal-based encryption solutions help overcome barriers by providing web-based access that works with any internet connection.

Performance and usability concerns affect how readily staff embrace email encryption tools. Slow encryption processes, complicated key management, or frequent authentication requirements can disrupt clinical workflows. Modern encryption solutions address issues through intuitive interfaces, single sign-on integration, and background encryption processes that minimize impact on user productivity.

Cost considerations influence encryption decisions, particularly for smaller healthcare organizations with limited IT budgets. Organizations balance security requirements with financial constraints while considering both initial implementation costs and ongoing maintenance expenses. Cloud-based encryption services provide cost-effective alternatives to on-premises solutions while offering enterprise-grade security features.

Patient communication preferences create additional complexity for HIPAA email encryption implementation. Some patients prefer traditional phone or mail communications, while others expect immediate email responses. Organizations need flexible encryption policies that accommodate different communication channels while maintaining consistent security standards across all patient interactions.

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HIPAA Secure Email

What Is HIPAA Email Archiving?

HIPAA email archiving is the systematic process of capturing, storing, and preserving electronic communications containing Protected Health Information in compliance with federal privacy and security regulations. Healthcare organizations use archiving systems to automatically collect email messages that contain patient data, maintain them in secure storage environments, and provide controlled access for authorized users.

The archiving process ensures that patient communications remain available for clinical care, regulatory compliance, and legal discovery while protecting the confidentiality and integrity of health information throughout extended retention periods. Medical practices and healthcare systems rely on email archiving to meet documentation requirements while managing the growing volume of electronic communications.

Why HIPAA Email Archiving is Required

Healthcare organizations require HIPAA email archiving to meet federal documentation standards and state medical record preservation laws. The HIPAA Privacy Rule establishes requirements for maintaining records related to patient information management, while state regulations often mandate specific retention periods for medical communications. Email messages containing treatment discussions, care coordination details, or patient scheduling, are all part of the medical record and must be preserved according to applicable legal timeframes.

Risk mitigation drives archiving implementation as healthcare organizations face increasing litigation and regulatory scrutiny. Medical malpractice cases frequently involve examination of communication records between providers, patients, and care teams. Organizations without proper archiving systems may face discovery sanctions or inability to defend against claims when relevant communications cannot be retrieved. Email archiving provides defensible documentation that supports clinical decision-making and protects against liability exposure.

Operational continuity benefits from archived communication access when healthcare providers need historical context for patient care decisions. Archived emails can reveal previous treatment discussions, specialist recommendations, or patient preferences that inform current care plans. Quick retrieval of communication history helps avoid duplicating previous conversations and ensures care teams have complete information when making treatment decisions.

Audit preparedness is achievable through systematic email archiving that preserves communication documentation for regulatory reviews. The Office for Civil Rights and other oversight agencies may request access to communication records during HIPAA compliance investigations. Organizations with properly implemented archiving systems can respond quickly to audit requests and demonstrate their commitment to patient information protection.

How Does HIPAA Email Archiving Differ From Standard Email Backup?

Security controls within HIPAA email archiving systems exceed those found in standard backup solutions. Archiving platforms implement encryption for data at rest and in transit, role-based access controls that limit user permissions, and audit logging that tracks all system interactions. Standard email backups may lack these specialized security features needed to protect patient information according to HIPAA Security Rule requirements.

Data organization in healthcare archiving systems focuses on patient-centric indexing and retrieval capabilities. The systems can organize archived communications by patient identifiers, treatment episodes, or healthcare provider relationships. Standard backup systems store emails chronologically or by user account without the specialized indexing needed for clinical or legal searches involving patient information.

To accommodate complex healthcare documentation requirements, HIPAA archiving platforms deliver robust HIPAA email retention features. The systems can apply different retention schedules based on message content, patient age, or state regulations while maintaining legal hold capabilities for litigation. Standard backup solutions lack the policy management tools needed to handle varied retention requirements across different types of healthcare communications.

Search functionality in healthcare archiving systems includes patient privacy protections and access controls that prevent unauthorized information disclosure. Users can search for communications related to specific patients or clinical topics while the system maintains audit trails of all search activities. Standard backup search tools do not include the privacy controls and audit capabilities required for handling patient information.

Components Supporting HIPAA Email Archiving Systems

Capture mechanisms within archiving systems automatically identify and collect email communications containing patient information as they flow through healthcare email infrastructure. Journal-based capture methods create copies of all email messages at the server level, ensuring complete collection without relying on user actions. Content analysis tools can identify messages containing ePHI through keyword detection, pattern recognition, and sender/recipient analysis to ensure appropriate archiving coverage.

Storage architecture for HIPAA email archiving incorporates multiple layers of data protection and redundancy. Primary storage systems maintain active archives with fast access capabilities for recent communications, while secondary storage tiers provide cost-effective long-term preservation for older messages. Geographic replication protects against data loss from natural disasters or facility damage while maintaining compliance with data residency requirements.

Access control systems manage user permissions and authentication requirements for archived email access. Role-based permissions ensure that healthcare workers can only access communications relevant to their job functions and patient care responsibilities. Multi-factor authentication adds security layers that protect against unauthorized access attempts while maintaining usability for legitimate users.

Audit and monitoring capabilities track all interactions with archived email communications to create compliance documentation. The systems log user access attempts, search queries, message exports, and administrative actions to provide complete audit trails. Automated reporting features help healthcare organizations monitor archiving system usage and identify potential security incidents or policy violations.

How to Select HIPAA Email Archiving Solutions

Compliance certification evaluation helps healthcare organizations identify archiving vendors that understand healthcare regulatory requirements. Vendors with HITRUST CSF certification, SOC 2 Type II reports, or similar security validations demonstrate their commitment to protecting healthcare information. Business Associate Agreement willingness and terms indicate vendor readiness to accept HIPAA compliance responsibilities for archived patient data.

Scalability assessment ensures that archiving solutions can accommodate current email volumes and future growth projections. Healthcare organizations examine storage capacity, user licensing models, and system performance under peak usage conditions. The evaluation includes reviewing vendor infrastructure capabilities and support for geographic expansion or practice acquisitions that may increase archiving requirements.

Integration requirements vary based on existing healthcare IT infrastructure and workflow needs. Archiving solutions need compatibility with current email platforms, electronic health record systems, and practice management applications. API availability and integration support affect how seamlessly archived communications can be accessed from within existing clinical workflows.

Total cost analysis encompasses software licensing, implementation services, ongoing maintenance, and storage expenses over the expected system lifespan. Healthcare organizations compare subscription models, per-user pricing, and storage-based fees while considering long-term retention requirements. The analysis includes potential cost savings from reduced legal discovery expenses and improved compliance management efficiency.

Implementation Challenges

Historical data migration requires careful planning to transfer existing email communications into new archiving systems while maintaining data integrity and compliance protections. Healthcare organizations need strategies for handling legacy email formats, preserving original timestamps and metadata, and ensuring complete transfer of patient communications. The migration process must maintain security controls throughout the transition period.

User training programs need development to help healthcare staff understand archiving system functionality and their responsibilities for communication compliance. Training covers proper email practices, archiving system search capabilities, and procedures for handling legal holds or audit requests. Change management support helps staff adapt to new workflows and archiving requirements without disrupting patient care operations.

Performance optimization is highly important as archiving systems handle increasing volumes of healthcare communications. Email traffic in large healthcare systems can be substantial, requiring archiving platforms that maintain capture rates and search responsiveness under heavy loads. Organizations need monitoring tools and vendor support to optimize system configurations for their specific usage patterns.

Policy development and enforcement require clear guidelines about archived communication access, retention schedules, and disposal procedures. Healthcare organizations need policies that address who can access archived communications, under what circumstances searches are permitted, and how to handle requests for patient communication records. Enforcement mechanisms ensure that archiving policies are followed consistently across the organization.

How to Maximize Email Archiving Investment

Workflow integration maximizes archiving value by making historical communications easily accessible within existing clinical applications. Healthcare organizations can implement single sign-on authentication and embed archiving search capabilities within electronic health record systems. Integration reduces the time healthcare workers spend switching between systems while maintaining security controls for patient information access.

Advanced search capabilities help healthcare organizations extract maximum value from archived communications through sophisticated query tools and analytics. Machine learning features can identify communication patterns, flag potential compliance issues, or surface relevant historical context for current patient care decisions. Analytics capabilities provide insights into communication volumes, response times, and collaboration patterns that support quality improvement initiatives.

Legal discovery preparation benefits from archiving systems that streamline the identification and production of relevant communications during litigation. Healthcare organizations can use search and filtering tools to quickly locate communications related to specific patients, time periods, or clinical events. Export capabilities and legal hold management reduce the time and cost associated with responding to discovery requests.

Compliance monitoring automation helps healthcare organizations maintain ongoing oversight of their email archiving practices and identify potential issues before they become violations. Automated reports can track archiving coverage, identify gaps in communication capture, and monitor user access patterns for unusual activity. Proactive monitoring supports continuous improvement in archiving practices and compliance management

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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.

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