How do I fix the reputation of my IP address?

Business Solutions, HIPAA Compliant Email
LuxSci
May 11, 2021

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.

What is IP Reputation?

Email service providers (e.g. AOL, Gmail, LuxSci) and email filtering systems (e.g. Barracuda, McAfee, Proofpoint, SenderScore) collaborate on and track the sending of unwanted emails to reduce the blight of email spam that continues to plague the Internet. Some of the significant factors that they track include:

Quantity of email sent from your IP address
The spam-like characteristics of these messages (based on spam filter analysis)
The number of spam complaints by recipients of these messages
The number of messages sent to invalid recipients or honey pots. Honey pots are email addresses that do not belong to real people and are traps for senders who have acquired these email addresses via web site scraping or some other illegitimate manner.

Put together, these factors end up determining the reputation of that IP address with respect to the sending of email messages. If the reputation becomes poor, then spam filters will start to quarantine or reject your email messages, resulting in poor deliverability.

What is the “bad neighborhood” effect?

If your sending server is in the same neighborhood as other sending servers, then its reputation can be affected by the others’ actions. The following are some well-known “bad neighborhoods”:

Public cloud servers (e.g. at Amazon). As these servers can be owned by anyone, they are often used for sending unwanted emails. As a result, if you use one of these servers, your IP address probably has a diminished reputation.
Big Internet Service Providers (ISPs). ISPs like Comcast always have problems with suppressing spam coming from their users’ systems (due largely to malware infecting end users and sending unsolicited emails from unsuspecting people’s machines). If you are sending messages directly from your ISP, your reputation can fluctuate wildly as a function of your neighborhood.

If you are suffering from the bad neighborhood effect, your choices are limited and simple:

You can talk to your ISP about the problem, but they may not take any action.
Instead of sending emails directly from servers in this location, you need to relay the messages through a third-party email sending service with a good reputation. This service should also scrub your messages, removing all trace of the tarnished IP of origin.

What can I do to fix IP reputation?

Assuming that you are not a victim of a bad neighborhood, you can take steps to repair the reputation of your server’s IP address. The first thing you need to do is stop sending outbound emails until you take further steps. This can be frustrating, but it is better to send no email than to continue sending problematic email.

Resolving your server reputation problem will take some work. You need to make sure that you’re only sending legitimate emails to real people, as doing this for a while will establish a track record of good sending for your server.

Review Email Lists and Message Content

To fix your IP reputation, take a look at the types of emails you are sending and who is receiving them.

Content. Review the actual content of the messages that you are sending. Make sure that it doesn’t sound like spam. Some software systems can help you analyze your message content for “spamminess.”
CAN-SPAM. Make sure that any bulk email is compliant with CAN-SPAM. Your purpose for emailing, identity, and method for unsubscribing should all be clear.
Sending Rate. Make sure that your server is not sending messages too fast to places like AOL, Yahoo, Google, etc. Pushing too many too fast is a red flag and can hurt your reputation.
Real Addresses. Sending to old or invalid email addresses does significant harm to your IP reputation. You need to review bounced emails and remove dead-end addresses from your lists.
Good Addresses. The single most important thing that you can do for your IP reputation is to send to only people who actually want and expect your email messages. This means, in particular:
1. Do not use or send to purchased lists.
2. Discard addresses obtained through scraping web pages or copied from directories or books.
3. You must get rid of all spam-trap and honey pot email addresses that you may have accumulated.
4. Eliminate all addresses that have not subscribed to your messages or with whom you do not have an existing business relationship.
5. Remove the addresses of all people that have requested to be unsubscribed or otherwise eliminated from future mailings.
6. Remove the addresses of all people that have complained that your messages are spam.

Items 1-3 relate to your message content and sending pattern and are fairly easy to address. The rest of the issues involve actively cleaning and managing your recipient lists. You need to clean all of your existing lists and then manage them going forward.

How do I clean my lists?

Cleaning mailing lists can be difficult and expensive without getting into more trouble with your IP reputation. We recommend the following steps, in the order presented. Depending on your current situation, you might not have enough information to perform them all — that will just increase the cost of the last step.

First, contact your email service provider or IT staff and:

Find a list of all of your bouncebacks and remove them
Find a list of all spam complaints and remove these recipients

Then, take your lists to FreshAddress, and use their SafeToSend email address validation service. It will take your lists, sanitize them, and then provide you with new, improved, and cleaned lists. SafeToSend will:

Validate. Ensure that email addresses are well-formatted, correspond to valid domain names that accept email, and match a working email address.
Correct. The addresses are checked for common spelling errors and typos and corrected as needed (e.g. @gmail.com instead of @gamil.com).
Protect. SafeToSend will identify and remove: spam trap email addresses, role accounts, disposable domains, fictitious and malicious email addresses, and addresses on “do not email lists” and FCC wireless domains.

After sanitizing your lists with SafeToSend and after removing people who have not opted-in to email messages, your delivery rate will skyrocket and complaints will plummet.

How long does it take to improve my IP reputation?

Sending a solid stream of messages with appropriate content to your new, safe list will reestablish your server’s IP reputation. However, it could take a number of days or even weeks to rebuild your reputation. It will depend on how much good email you are sending after repairing your content and lists. Poor IP reputation will continue to affect your email delivery rates as you rebuild that reputation.

To improve email deliverability quickly, the only other option is to relay your email out through a third-party email sending provider and having them scrub your server’s IP address. It won’t rebuild your IP reputation, though the lack of email being sent from your server can slowly improve its reputation to normal levels. However, if your reputation is due to poor lists, third-party email providers will not want your business and may terminate your account if they detect your use of bad email lists.

How do I maintain my lists?

Going forward, you need to be actively collecting bounceback and failure messages and removing these recipient addresses from your lists. Additionally, you need to be collecting spam complaints via feedback loops from the major email service providers (i.e. AOL, Yahoo, etc.) and remove these complainer addresses as well.

If you do not have the facility to capture bounces and feedback, you should use an email sending service that can take care of this for you.

List maintenance is critical. Failing to maintain your list will cause your IP reputation to gradually decline until your sending issues return.

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Zero Trust Email Security in Healthcare: A Requirement for Sending PHI?

April 15, 2026
Pete Wermter

As healthcare organizations embrace digital patient engagement and AI-assisted care delivery, one reality is becoming impossible to ignore: traditional perimeter-based security is no longer enough. Email, still the backbone of patient and operational communications, has become one of the most exploited attack surfaces.

As a result, Zero Trust email security in healthcare is moving from buzzword to necessity.

At LuxSci, we see this shift firsthand. Healthcare providers, payers, and suppliers are no longer asking if they should modernize their security posture, but how to do it without disrupting care delivery or patient engagement.

Our advice: Start with a Zero Trust-aligned dedicated infrastructure that puts you in total control of email security.

Let’s go deeper!

What Is Zero Trust Email Security in Healthcare?

At its core, Zero Trust email security in healthcare applies the principle of “never trust, always verify” to every email interaction involving protected health information (PHI).

This means:

Continuous authentication of users and systems
Device and environment validation before granting access
Dynamic, policy-based encryption for every message
No implicit trust, even within internal networks

Unlike legacy approaches that assume safety inside the network perimeter, Zero Trust treats every email, user, and endpoint as a potential risk.

Why Email Is a Critical Gap in Zero Trust Strategies

While many healthcare organizations have begun adopting Zero Trust frameworks for network access and identity, email often remains overlooked.

This is a major problem.

Email is where:

PHI is most frequently shared
Human error is most likely to occur
Phishing and impersonation attacks are most effective

Without a Zero Trust email security approach, organizations leave a critical gap in their defense strategy, one that attackers can actively exploit.

Healthcare Challenge: Personalized Communication and PHI Risk

Modern healthcare ecosystems are highly distributed:

Care teams span multiple locations
Third-party vendors access sensitive systems
Patients expect digital, personalized communication

This creates a complex web of PHI exchange—much of it through email.

At the same time, compliance requirements like HIPAA demand that PHI email security is addressed at all times.

The result is a growing tension between:

Security and compliance
Usability, engagement, and better outcomes

From Static Encryption to Intelligent, Adaptive Protection

Traditional email encryption methods often rely on:

Manual triggers
Static rules
User judgment

This introduces risk. A modern zero trust email security in healthcare model replaces this with:

Automated encryption policies based on content and context
Flexible encryption methods tailored to recipient capabilities – TLS, Portal Fallback, PGP, S/MIME
Seamless user experiences that human error – automated email encryption, including content

At LuxSci, our approach to secure healthcare communications is built around this philosophy. By automating encryption and providing each customer with a zero trust-aligned dedicated infrastructure, organizations can protect PHI without relying on end-user decisions or the actions of other vendors on the same cloud, significantly reducing risk while improving performance, including email deliverability.

Aligning Zero Trust with HIPAA and Emerging Frameworks

Zero Trust is not a replacement for compliance, it’s an enabler. A well-implemented Zero Trust approach helps organizations:

Meet HIPAA requirements for PHI protection
Reduce the likelihood of breaches
Strengthen audit readiness and risk management

More importantly, it positions healthcare organizations to align with emerging cybersecurity frameworks that increasingly emphasize identity, data-centric security, and continuous verification.

PHI Protection Starts with Email

Zero Trust is no longer a conceptual framework, it’s becoming the operational standard for healthcare IT, infrastructure, and data security teams.

But success depends on execution. Email remains the most widely used, and vulnerable, communication channels in healthcare. Without addressing it directly, Zero Trust strategies will fall short.

Here are 3 tips to stay on track:

Treat every email as a potential risk
Automate encryption at scale – secure every email
Enable personalized patient engagement with secure PHI in email

At LuxSci, we believe that HIPAA compliant email is the foundation for the future of secure healthcare communications, protecting PHI while enabling better patient engagement and better outcomes.

Reach out today if you want to learn more from our LuxSci experts.

What Sets B2B Marketing In The Healthcare Industry Apart?

April 14, 2026
Kai Haughney

B2B marketing in the healthcare industry runs through a buying environment shaped by review, caution, and internal scrutiny. A vendor may catch interest quickly, yet a deal still has to survive procurement, legal input, operational questions, and, in some cases, clinical oversight. That changes the tone and structure of effective outreach. Buyers want clear information, credible framing, and content that holds up when shared across teams. Strong campaigns account for those conditions from the first touch, giving decision makers useful material at the right point in the conversation.

How B2B marketing in the healthcare industry differs from other sectors

Healthcare buying carries a heavier internal burden than many commercial categories. A decision can affect patient related workflows, staff time, data handling, vendor risk, and budget planning all at once. That wider impact shapes how people read. A finance lead may scan for commercial logic and resource use. An operations leader may think immediately about rollout pressure and process disruption. An IT contact may focus on access, integration, and control. Messaging has to stand up to each of those viewpoints. That is why strong healthcare outreach tends to move with more restraint, more clarity, and more attention to proof than campaigns built for faster sales environments.

Trust within B2B marketing in the healthcare industry

Trust grows through judgment on the page. Buyers notice inflated language very quickly, especially when it appears in sectors where risk and accountability are part of everyday work. A polished headline can attract attention, though the body copy still has to carry weight. Clear examples help. Plain explanations help. So does a tone that sounds measured enough for someone to forward internally without hesitation. A payer team may want to see how a service affects review speed or administrative flow. A provider group may care about intake, coordination, or staff workload. A supplier may look for signs that communication across partners will become smoother and easier to manage. Credibility builds when the writing shows a close read of the reader’s world.

Buying committees do not think alike

Most healthcare deals are shaped by several people with different pressures attached to their roles. Procurement may be looking for vendor reliability and a smoother approval process. Compliance may read for privacy exposure and documentation. Operations may focus on practical fit with current workflows. Finance may want a clearer commercial case before the conversation goes any further. Those concerns do not compete with one another so much as stack on top of one another, which is why broad messaging tends to flatten out. Better campaigns anticipate that mix. One sequence can speak to efficiency and team workload. Another can support legal and compliance review. A third can frame the economic rationale in language senior stakeholders will recognise immediately.

Content that helps a deal move

Healthcare content earns its place when it gives buyers something they can use, discuss, and circulate. A short article on referral bottlenecks can help an operations lead frame the problem more clearly. A concise guide to secure communication can help internal teams ask better questions during review. A comparison page on implementation models can help a buyer weigh practical tradeoffs before a call is even booked. Useful content creates momentum because it fits the way decisions are made. It enters the conversation early, gives people sharper language for internal discussion, and keeps the subject alive between meetings. That is where strong work starts to separate itself from content written simply to fill a calendar.

Measuring progress with better signals

Healthcare teams get a clearer picture when they look past surface numbers and pay attention to the signs attached to real interest. Repeat visits from the same account can matter more than a large burst of low value traffic. A reply from an operations contact may tell you more than a high open rate. Visits to implementation, privacy, or procurement pages can indicate that the discussion is moving into a more serious stage.

Patterns like these help commercial teams judge where attention is gathering and where timing is starting to matter. Good B2B marketing in the healthcare industry supports that process by creating sharper entry points for sales, stronger context for follow up, and a more informed path from early curiosity to active evaluation.

Why Does B2B Healthcare Email Marketing Matter To Healthcare Buyers?

April 14, 2026
Erik Kangas

B2B healthcare email marketing is the practice of using email to reach healthcare business audiences with timely, relevant communication that supports trust, evaluation, and purchase decisions. In healthcare, that means more than sending promotional copy. Buyers want proof that a vendor understands procurement realities, privacy expectations, clinical workflows, and the pace of internal review. When the message is well judged, email helps move a conversation forward without forcing it. It can introduce a problem, frame the business case, and give decision makers something useful to circulate inside the company while they weigh next steps.

What makes B2B healthcare email marketing work in real buying cycles?

The difference between ignored email and useful email is context. Healthcare deals rarely move on impulse, and very few readers want a sales pitch in their inbox after one click or one download. Good B2B healthcare email marketing takes its cues from where the buyer is in the process. A first touch might define a problem in plain terms. A later message may explain implementation questions, privacy considerations, or internal adoption issues. That sequencing matters because healthcare buyers read with caution. They are not just asking whether a product looks good. They are asking whether it can survive legal review, procurement review, and scrutiny from the teams who will live with it day after day.

How does compliance shape B2B healthcare email marketing?

Healthcare email lives under closer scrutiny than email in many other industries. If a campaign touches protected health information, HIPAA enters the conversation immediately, especially the Privacy Rule and Security Rule. Even when outreach is aimed at business contacts, teams still need a disciplined view of what data is stored, who can access it, and how consent, opt out, and message content are handled.

The CAN SPAM Act also matters because sender identity, subject line accuracy, and unsubscribe function are not small details. Strong B2B healthcare email marketing treats compliance as part of message design from the start. That leads to cleaner copy, better internal approval, and fewer edits after legal teams step in.

Which audiences respond best to B2B healthcare email marketing?

Healthcare buying groups are rarely made up of one decision maker. A payer executive may care about administrative efficiency and audit readiness. A provider operations leader may be focused on referral flow, patient intake, or staff time. A supplier may look at partner communication, order handling, or data movement between systems. B2B healthcare email marketing works better when each audience receives language that matches its concerns instead of one generic message sent to everyone. That does not require jargon. It requires precision in the everyday sense of the word. Readers need to feel that the sender understands the pressures attached to their role, not just the industry label attached to their company.

What kind of content earns trust instead of quick deletion?

Healthcare buyers respond well to emails that help them think clearly. A short note that explains why referral leakage happens will land better than a vague message about transformation. A concise example showing how a health plan cut review delays can do more than a page of inflated claims. This is where B2B healthcare email marketing becomes persuasive without sounding pushy. The best messages teach, but they also move. They give the reader one useful idea, one practical example, and one reason to keep the conversation alive. That balance matters because healthcare readers are trained to be skeptical, and skepticism is not a barrier when the content respects it.

How can teams judge whether the program is doing its job?

Open rate alone does not say much in a long healthcare sales cycle. A better read comes from the quality of replies, the number of relevant page visits after a send, the movement of target accounts through the pipeline, and the way contacts share content internally.

B2B healthcare email marketing earns its place when it helps sales teams enter conversations with better timing and better context. If email is drawing the right people back to security pages, implementation pages, or procurement material, that is a useful signal. The real win is steady progress with buyers who need time, evidence, and confidence before they move.

New HIPAA Security Rule Makes Email Encryption Mandatory—Act Now!

April 6, 2026
Pete Wermter

The 2026 Deadline Is Closer Than You Think

The upcoming HIPAA Security Rule overhaul is expected to finalize by mid-2026, and it’s shaping up to be one of the most significant updates in years. Healthcare organizations that fail to prepare, especially when it comes to email security, will face immediate compliance gaps the moment enforcement begins.

Mid-2026 may sound distant, but for healthcare IT and compliance leaders, it’s right around the corner. Regulatory change at this scale doesn’t happen overnight, it requires planning, vendor evaluation, implementation, and internal alignment.

This isn’t a gradual shift. It’s a hard requirement.

Encryption Is About to Become Mandatory

For years, HIPAA has treated encryption as “addressable,” giving organizations flexibility in how they protect sensitive data. That flexibility is disappearing.

Under the updated rule, encryption, particularly for email containing protected health information (PHI), is expected to become a required safeguard.

That means:

Encryption must be automatic and standard for email, not optional
Policies must be enforced consistently
Email security can’t depend on human behavior

If your current system relies on users to manually trigger encryption, it’s already out of step with where compliance is heading. If you’re not encrypting your emails at all, then now is the time to re-evaluate and rest your technology and policies.

Email Is the Weakest Link in Healthcare Security

Email remains the most widely used communication tool in healthcare—and the most common source of data exposure. Every day, sensitive information flows through inboxes, including patient records, lab results, billing details, plan renewals and appointment reminders. Yet many organizations still depend on:

Basic TLS encryption that only works under certain conditions
Manual processes that leave room for human error
Limited visibility into email activity and risk

It only takes one mistake, such as a missed encryption trigger or a misaddressed email, to create a reportable breach. Regulators are well aware of this. That’s why email is a primary focus of the upcoming HIPAA Security Rule changes.

The Cost of Waiting Is Higher Than You Think

Delaying action may feel easier in the short term, but it significantly increases risk. Once the new rule is finalized, organizations without compliant systems may face:

Immediate audit failures
Regulatory penalties
Expensive, rushed remediation efforts
Or worst of all, an email security breach

Beyond financial consequences, there’s also reputational harm. Patients expect their data to be protected. A single incident can immediately erode trust and damage your brand beyond repair.

Waiting until the end of 2026 also means that you’ll be competing with every other organization trying to fix the same problem at the same time, driving up costs and limiting vendor availability.

Most Email Solutions Won’t Meet the New Standard

Here’s the uncomfortable reality: many existing email platforms won’t be enough, especially those that are not HIPAA compliant. Common gaps include:

Encryption that isn’t automatic or policy-driven
Lack of Data Loss Prevention (DLP)
Insufficient audit logging for compliance reporting
Lack of Zero Trust security principles

On top of that, vendors without alignment to HITRUST certification and Zero-Trust architectures may struggle to demonstrate the level of assurance regulators will expect moving forward.

If your current solution wasn’t designed specifically for healthcare and HIPAA compliance, it’s likely not ready for what’s coming.

LuxSci Secure Email: Built for What’s Next

This is where a purpose-built solution makes all the difference. LuxSci HIPAA compliant email is designed specifically for healthcare organizations navigating the latest compliance requirements, not just today, but in the future regulatory landscape.

LuxSci delivers:

Automatic, policy-based encryption that removes user guesswork
Advanced DLP controls to prevent PHI exposure before it happens
Comprehensive audit logs to support audits and investigations
Zero Trust architecture that verifies every user and action

Additionally, LuxSci is HITRUST-certified, helping organizations demonstrate a mature and defensible security posture as regulations tighten. Email data protection isn’t about patching gaps, it’s about eliminating them.

Act Now or Pay Later

If there’s one takeaway, it’s this: the time to act is now. Start by asking a few direct questions:

Is our email encryption automatic and enforced?
Do we have full visibility into email activity and risk?
Is our vendor equipped for evolving HIPAA requirements?

If the answer to any of these is unclear, now’s the time to take action. Organizations that move early will have time to implement the right solution, train their teams, and validate compliance. Those that wait will be forced into reactive decisions under pressure.

Conclusion: The Time to Act is Now!

The HIPAA Security Rule overhaul is coming fast, and it’s raising expectations across the board. Encryption will no longer be addressable, but rather mandatory. As a result, email security can no longer be overlooked, and compliance will no longer tolerate gaps.

LuxSci HIPAA compliant email provides a clear, future-ready path for your organization, combining automated encryption, DLP, auditability, and Zero Trust security in one solution.

The real question isn’t whether change is coming. It’s whether your organization will be ready when it does.

Reach out today. We can look at your existing set up, help you identify the gaps, and show you how LuxSci can help!

FAQs

1. When will the updated HIPAA Security Rule take effect?
The changes to the HIPAA Security Rule are expected to be finalized and announced around mid-2026, with enforcement likely soon after, by the end of the year.

2. Will email encryption truly be mandatory?
Yes, current direction strongly indicates encryption will become a required safeguard, which could start later this year or in early 2027.

3. Is TLS encryption enough for compliance?
No. TLS alone does not provide sufficient, guaranteed protection for PHI.

4. Why is HITRUST important in this context?
HITRUST certification demonstrates a vendor’s strong alignment with healthcare security standards and will likely carry more weight with regulators.

5. How does LuxSci help organizations prepare?
HITRUST-certified LuxSci offers secure email with automated encryption, DLP, audit logs, and Zero Trust architecture, helping organizations meet evolving compliance demands.

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

January 9, 2024
LuxSci

SMTP TLS encryption is popular because it provides adequate data protection without creating a complicated user experience for email recipients. Sometimes, though, the experience is too seamless, and recipients may wonder if the message was protected at all.

Luckily, there is a way to tell if an email was encrypted using TLS. To see if a message was sent securely, we can look at the raw headers of the email. However, it requires some knowledge and experience to understand the text. It is actually easier to tell if a recipient’s server supports TLS than to tell if a particular message was securely transmitted.

To analyze a message for transmission security, we will look at an example email message sent from Hotmail to LuxSci. We will explain what to look for when decoding the message headers and how to tell if the email was transmitted using TLS encryption.

An Example Email Message

First, we must understand how an email message typically travels through several machines on its way from the sender to the recipient. Roughly speaking:

The sender’s computer talks to the sender’s email or WebMail server to upload the message.
The sender’s email or WebMail server then talks to the recipient’s inbound email server and transmits the message to them.
Finally, the recipient downloads the message from their email server.

It is step 2 that people are most concerned about when trying to understand if their email message is transmitted securely. They usually assume or check that everything is secure and OK at the two ends. Indeed, most users who need to can take steps to ensure that they are using SSL-enabled WebMail or POP/IMAP/SMTP/Exchange services so that steps 1 and 3 are secure. The intermediate step, where the email is transmitted between two different providers, is where messages may be sent insecurely.

To determine if the message was transmitted securely between the sender’s and recipient’s servers (over TLS), we need to extract the “Received” header lines from the received email message. If you look at the source of the email message, the lines at the top start with “Received.” Let’s look at an example message from a Hotmail user below. The email addresses, IPs, and other information are obviously fake.

LuxSci:

The Outlook email was sent to a LuxSci user. The Received headers appear in reverse chronological order, starting with the server that touched the message last. Therefore, in this example, we see the LuxSci servers first.

Received: from abc.luxsci.com ([1.1.1.1])
	by def.luxsci.com (8.14.4/8.13.8) with ESMTP id r7JEfLgH003867
	(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT)
	for <user-xyz@def.luxsci.com>; Mon, 19 Aug 2019 10:41:21 -0400
Received: from abc.luxsci.com (localhost.localdomain [127.0.0.1])
	by abc.luxsci.com (8.14.4/8.13.8) with ESMTP id r7JEfK0Z030182
	for <user-xyz@def.luxsci.com>; Mon, 19 Aug 2019 09:41:20 -0500
Received: (from mail@localhost)
	by abc.luxsci.com (8.14.4/8.13.8/Submit) id r7JEfKXD030178
	for user-xyz@def.luxsci.com; Mon, 19 Aug 2019 09:41:20 -0500

Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [2.2.2.2])
	by abc.luxsci.com (8.14.4/8.13.8) with ESMTP id r7JEfIkK030002
	(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT)
	for <someone@luxsci.net>; Mon, 19 Aug 2019 09:41:19 -0500

Proofpoint:

LuxSci uses an email filtering service, Proofpoint. Messages reach Proofpoint’s servers before being delivered to LuxSci. Here’s what their servers report about the email transmission:

Received: from unknown [65.54.190.216] (EHLO bay0-omc4-s14.bay0.hotmail.com)
	by dispatch1-us1.ppe-hosted.com.ppe-hosted.com
        (envelope-from <someone@hotmail.com>);
	Mon, 19 Aug 2019 08:41:18 -0600 (MDT)

Outlook:

And finally, here’s what we see from Oultook’s server.

Received: from BAY403-EAS373 ([65.54.190.199]) by bay0-omc4-s14.bay0.outlook.com
       with Microsoft SMTPSVC(6.0.3790.4675); 
       Mon, 19 Aug 2019 07:41:19 -0700

How to Use Received Message Headers to Tell if the Email is Encrypted

The message headers contain information that can help us determine if an email is encrypted. Here are a few helpful notes to help you decode the text:

We said this above, but the message headers appear in reverse chronological order. The first one listed shows the last server that touched the message; the last one is the first server that touched it (typically the sending server).
Each Received line documents what a server did and when.
There are three sets of servers involved in this example: one machine at Hotmail, one machine at Proofpoint, where our Premium Email Filtering takes place, and some machines at LuxSci, where final acceptance of the message and subsequent delivery happened.

Presumably, the processing of email within each provider is secure. The place to be concerned about is the hand-offs between Hotmail and Proofpoint and between Proofpoint and LuxSci, as these are the big hops across the internet between providers.

In the line where LuxSci accepts the message from Proofpoint, we see:

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

This section, typical of most email servers running “sendmail” with TLS support, indicates that the message was encrypted during transport with TLS using 256-bit AES encryption. (“Verify=not” means that LuxSci did not ask Proofpoint for a second SSL client certificate to verify itself, as that is not usually needed or required for SMTP TLS to work correctly). Also, “TLSv1/SSLv3” is a tag that means that “Some version of SSL or TLS was used;” it does not mean that it was SSL v3 or TLS v1.0. It could have been TLS v1.2 or TLS v1.3.

So, the hop between Proofpoint and LuxSci was locked down and secure. What about the hop between Hotmail and Proofpoint? The Proofpoint server’s Received line makes no note of security at all! This means that the email message was probably not encrypted during this step.

Hotmail either did not support opportunistic TLS encryption for outbound emails, or Proofpoint did not support receipt of messages over TLS, and thus, TLS could not be used. With additional context, you can know which server supports TLS and which does not.

In this case, we know that Proofpoint supports inbound TLS encryption. In fact, from another example message where LuxSci sent a message to Proofpoint, we see the Received line:

Received: from unknown [44.44.44.44] (EHLO wgh.luxsci.com)
	by dispatch1-us1.ppe-hosted.com.ppe-hosted.com
        (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
	with ESMTP id b-022.p01c11m003.ppe-hosted.com
        (envelope-from <from@domain.com>);
	Mon, 02 Feb 2009 19:28:27 -0700 (MST)

The red text makes it clear that the message was indeed encrypted. Based on the additional context, we can deduce that the Hotmail sending server did not securely transmit the email using TLS.

How To Tell if an Email is Encrypted With TLS

When analyzing your message headers, consider the following items to determine if the email is encrypted:
1. The receiving server will log what kind of encryption, if any, was used in receiving the message in the headers.
2. Different email servers use different formats and syntax to display the encryption used. Look for keywords like “SSL,” “TLS,” and “Encryption,” which will signify this information.
3. Not all servers will record the use of encryption. While LuxSci has always logged encryption use, not every email service provider does. It is possible to use TLS encryption and not log it. Sometimes, there is no way to tell from the headers if a message is encrypted if it is not logged.
4. Messages passed between servers at the same provider do not necessarily need TLS encryption to be secure. For example, LuxSci has back-channel private network connections between many servers so that information can be securely passed between them without SMTP TLS. So, the lack of TLS usage between two servers does not mean the transmission between them was “insecure.” You may also see multiple received lines listing the same server: the server passes the message between different processes within itself. This communication also does not need to be TLS encrypted.
5. If you are a LuxSci customer, you can view online email delivery reports to see if TLS was used for any particular message. We record the kind of encryption in the delivery reports, so it’s easy to see which emails were encrypted.

How can you Ensure Emails Are Securely Transmitted?

With some servers not recording TLS in message headers, how can you determine if a message was transmitted securely from sender to recipient?

To answer this question accurately, you must understand the properties, servers, and networks involved. It may be easy to determine that the message was transmitted securely if included in the header information. However, the absence of information does not necessarily mean the message was insecurely transmitted. You can only know this if you know what each system’s servers record.

In our example of a message from Hotmail to LuxSci, you need to know that:

Proofpoint and LuxSci will always log the use of TLS in the headers. We can infer that the Hotmail to Proofpoint transmission was not secure as nothing was recorded there.
The transmission of messages within LuxSci’s infrastructure is secure due to private back channel transmissions. So, even though there is no mention of TLS in every Received line after LuxSci accepts the message from Proofpoint (in this example), transferring the messages between servers in LuxSci is as secure as using TLS. Also, the same server can add multiple received lines as it talks to itself. Generally, these hand-offs on the same server will not use TLS, as there is no need. In the LuxSci example, we see this as “abc.luxsci.com” adds several headers.
We don’t know anything about Hotmail’s email servers, so we don’t know how secure the initial transmissions within their network are. However, since we know they did not securely transmit the message to Proofpoint, we are not confident that the transmissions and processing within Hotmail (which may have gone unrecorded) were secure.

Was the email message sent and received using encryption?

We skipped steps 1 and 3 and focused on step 2 – the transmission between servers. Steps 1 and 3 are equally, if not more, necessary. Why? Because eavesdropping on the internet between ISPs is less of a problem than eavesdropping near the sender and recipient (i.e., in their workplace or local wireless hotspot). So, it’s essential to ensure messages are sent securely and received securely. This means:

Sending: Use SMTP over SSL or TLS when sending messages from an email client or use WebMail over a secure connection (HTTPS).
Receiving: Ensure your POP or IMAP connection is secured via SSL or TLS. If using WebMail to read your email, be sure it is over a secure connection (HTTPS).
WebMail: There is generally no record in the email headers to indicate if a message sent using WebMail was transmitted from the end-user to WebMail over a secure connection (SSL/HTTPS).

You can typically control one side and ensure it is secure; you can’t control the other without taking extra steps. So, what can you do to ensure your message is secure even if it might not be transmitted with encryption or if the recipient tries to access it insecurely?

You could use end-to-end email encryption (like PGP or S/MIME, which are included in SecureLine) or a secure web portal that doesn’t require the recipient to install or set up anything to get your secure email message. These methods meet HIPAA and other regulatory compliance requirements for secure data transmission and provide complete confidence that the message will be sent and received securely.

LuxSci’s SecureLine offers flexible encryption options, including TLS, secure web portal, PGP, and S/MIME. Its dynamic capabilities can determine what types of encryption the recipient’s server supports to ensure your emails are always sent securely. Contact our team today to learn more about how to secure your emails.

LuxSci Earns 19 G2 Spring 2026 Badges

March 23, 2026
Pete Wermter

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.

What Are the Best Patient Engagement Tools for Healthcare?

October 9, 2025
Erik Kangas

The best patient engagement tools help providers strengthen communication, improve follow-up care, and simplify access to sensitive health information. They combine secure messaging, appointment management, educational content, and remote monitoring to build stronger patient relationships while maintaining HIPAA compliance. When implemented correctly, patient engagement tools create smoother interactions and better health outcomes without adding unnecessary administrative burden.

Importance of patient engagement tools in modern care

Healthcare is most effective when patients understand and participate in their own treatment. Patient engagement tools make this possible by connecting patients with providers through secure digital channels. These systems encourage participation through appointment reminders, personalized messages, and simplified access to medical records. When patients can review their care plans or ask questions directly, they are more likely to follow treatment instructions and attend scheduled visits. Over time, this continuous communication builds trust and allows healthcare professionals to detect potential issues before they develop into serious problems.

Features that define effective patient engagement tools

Strong encryption and verified identity controls keep sensitive data protected during every exchange. Patient portals that use Transport Layer Security and multifactor authentication safeguard personal health details and ensure that only authorized users can view information. The best tools also support mobile access with full encryption, allowing patients to manage appointments or view test results securely from any device. Integration with electronic health records ensures that updates are instantly reflected across systems, reducing the chance of errors or duplicate data entry. When designed properly, patient engagement tools blend security with convenience so that both patients and providers benefit.

Communication and education that build connection

Clear communication encourages adherence and reduces anxiety. Automated appointment confirmations, post-visit surveys, and message templates help staff stay connected without creating extra workload. Some systems allow clinicians to send follow-up instructions or educational materials directly through secure messaging, supporting patient understanding of medications or rehabilitation exercises. Educational modules tailored to specific conditions help patients take an active role in managing chronic illnesses. These features turn patient engagement tools into an extension of quality care rather than an afterthought of recordkeeping.

Compliance and data protection standards

Because patient engagement tools handle Protected Health Information, they must align with the HIPAA Privacy and Security Rules. A complete Business Associate Agreement outlines encryption, breach notification, and data management responsibilities between healthcare providers and vendors. Regular security testing and audit trails confirm that access controls function correctly. Organizations should verify that vendors maintain certifications such as SOC 2 Type II or HITRUST to demonstrate consistent security practices. Maintaining these safeguards ensures that patients can trust digital interactions as much as in-person conversations.

Workflow integration and practical use

A successful implementation depends on how well technology fits daily routines. Tools that integrate directly with scheduling, billing, and clinical systems reduce repetitive tasks and improve accuracy. For example, when a patient confirms an appointment through a secure portal, the update should appear automatically on the provider’s schedule. Real-time synchronization minimizes manual effort and reduces missed visits. Configurable dashboards give staff visibility into appointment status and message queues, helping clinics manage high patient volumes efficiently. When engagement technology adapts to workflow rather than reshaping it, adoption rates remain high and disruption stays low.

Measuring the impact of patient engagement tools

Tracking effectiveness requires measurable outcomes. Providers can evaluate engagement levels through message response times, portal login frequency, and satisfaction surveys. Patterns in this data reveal how well patients are using available features and whether communication gaps remain. Analytics tools can highlight where follow-up communication improves adherence or reduces unnecessary visits. With clear metrics, healthcare organizations can refine outreach methods and identify which digital strategies genuinely improve the patient experience. In this way, patient engagement tools become a guide for continuous improvement rather than a one-time implementation.

Selecting the right partner and platform

Choosing a vendor involves more than comparing features. Providers should assess customer support responsiveness, update frequency, and integration experience. Pilot programs with small user groups reveal how patients interact with the interface and how well staff can manage message volume. A reliable provider offers migration assistance, thorough training, and transparent pricing that accounts for storage and support over the contract term. When the system proves simple for both clinicians and patients, full deployment typically follows with fewer technical complications. Over time, dependable patient engagement tools strengthen relationships, enhance care coordination, and improve satisfaction across the healthcare system.

Encryption Optional Email Will Fail Audits in 2026 and Beyond

February 24, 2026
Pete Wermter

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

That era is ending.

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

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

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

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

Why 2026 Is a Tipping Point for Email Security

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

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

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

The Reality of “Encryption Optional” in Practice

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

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

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

Email Security Defaults Are the New Normal

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

What can you do?

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

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

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

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