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<h2 class="center">Secure Email</h2>
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<ul>
<li><a href="#test">Test</a></li>
<li><a href="/solveemailproblems.html">Debug</a></li>
<li><a href="/compliance.html">Compliance</a></li>
<li><a href="/aboutapi.html">CheckTLS API</a></li>
<li><a href="/testsender.html">SPF, DKIM, DMARC</a></li>
<li><a href="#HowTo">How To Use CheckTLS <span class="c3">(new)</span></a></li>
<li><a href="#LowerCosts">Lower Your Support Costs <span class="c3">(new)</span></a></li>
<li><a href="#TLSv1_3">We Use and Test TLS 1.3 <span class="c3">(new)</span></a></li>
</ul>
<img src="/images/secure-email.png" alt="Internet email" /></div>
<div class="clear"></div>
<h4 class="center">The Red Arrow</h4>
<div class="auto-multi-column">
<p>Email has three parts: your end, their end, and the Internet in the middle. You control your end, they control their end, but that middle part is "cloudy" (pardon the pun).</p>
<p>Both you and they know that "cloudy" part needs to be secure, but many places ignore the problem because they think it's too hard and/or they don't know how to get started.</p>
<h5>Internet Email Security May Be Easier Than You Think</h5>
<p>Most email systems can encrypt email in compliance with US NIST, HIPAA, HITECH, PCI DSS, Sarbanes-Oxley, GLBA, SB1386, SEC 17a-4, NASD3010, FRCP, FINRA, etc.</p>
<p></p>
<form class="nowrap" id="tryit" action="/TestReceiver" method="post" name="tryit"><button class="button" type="submit">Check Yours</button> <input name="LEVEL" type="hidden" value="Detail" /> <input name="EMAIL" id="EMAIL" type="text" placeholder="enter your domain or your email" required="required" /></form>
<br />
(You may need to <a href="https://en.wikipedia.org/wiki/Whitelist" target="_blank">whitelist</a> CheckTLS.com: <strong>we do not keep or use your address</strong>, see our <a href="/privacy.html">privacy policy</a>)
<p></p>
<p><strong>If your <em>Confidence Factor</em>℠ was 90 or better</strong>, your email has the necessary strong encryption required by these security standards. We can make sure you are using it correctly: see <a href="#HowTo">How To Use CheckTLS</a>.</p>
<p><strong>If your <em>Confidence Factor</em>℠ was less than 90</strong>, you're in the right place. We can help you get there. See <a href="/solveemailproblems.html">Solve Secure Email Problems</a> for more information.</p>
<h5>Email Security <strong>Compliance</strong> May Be Easy Too</h5>
<p>As long as your existing email uses strong enough encryption to communicate Protected Information over the Internet, it meets your security compliance requirements. So once you know your email <strong>can</strong> do the required strong encryption, you just have to <strong>make sure</strong> it does.</p>
<h5>Verified TLS℠</h5>
<p><a href="/compliance.html#verifiedtls">Verified TLS℠</a> makes sure your email uses and continues to use encryption. <strong>Verified TLS℠ makes your existing email <a href="/compliance.html">security compliant</a></strong>.</p>
<h5>Required or Not, Secure Email is Important</h5>
<p>Even if your organization is not required to comply with one of the listed rules and regulations, you certainly communicate information you do not want just anyone to see. Use Verified TLS℠ to make sure your email is protected.</p>
<h5>Yes, There is More</h5>
<p>The test above scores how well your email system receives email. How well does it send email? How about where you send sensitive information: your customers and vendors. How well do they receive your emails?</p>
<p>See <a href="/compliance.html">Secure Email Compliance</a> for more information.</p>
<p>And, back to the Red Arrow, we realize that <strong>your part</strong>, your green arrow above, has data encryption at rest, data retention, data protection, data destruction, and other ramifications. We just make Secure Email Internet Transport easy. We are the Red Arrow.</p>
</div>
<a class="anchor" name="TLSv1_3" id="TLSv1_3"></a>
<h4 class="center">TLS 1.3</h4>
<div class="auto-multi-column">
<p><strong>CheckTLS email works with TLS 1.3, as do most of our tests.</strong></p>
<p>Test TLS 1.3 on our email to see how it works. Compare the results with tests on your site.</p>
<p>The <a href="http://ietf.org/blog/tls13/" target="_blank">IETF</a> released <a href="https://en.wikipedia.org/wiki/Transport_Layer_Security#TLS_1.3" target="_blank">TLS 1.3</a> in August, 2018. This new release is a big deal (see <a href="https://kinsta.com/blog/tls-1-3/" target="_blank">this overview at Kinsta</a>).</p>
<p><a href="https://en.wikipedia.org/wiki/Transport_Layer_Security" target="_blank">Transport Layer Security (TLS)</a> is the most important piece of email transport security, so this new version is very important to us and to our clients. We cover email broadly and deeply, so this new version affects much of our tests and tools. We are continuing to add TLS 1.3 probes, discovery, and reporting to our site. We welcome feedback, suggestions, and reports for what parts of our site could benefit from adding or enhancing TLS 1.3 support. <a href="/ContactUs">Contact Us</a></p>
</div>
<a class="anchor" name="HowTo" id="HowTo"></a>
<h4 class="center">How To Use CheckTLS</h4>
<div class="auto-multi-column">
<p>CheckTLS tests email systems:</p>
<ul>
<li>superficial to thorough</li>
<li>one time to continuous</li>
<li>minimal to complete</li>
<li>overview to precise detail</li>
</ul>
<p></p>
<p>Our site is free for non-commercial use. Commercial users have access to more features, faster results, stored tests, and automatic testing.</p>
<h5>We Suggest You Approach CheckTLS in This Order:</h5>
<div id="InOrder">(click <strong>⊞</strong> below to expand each item) <a class="section-show-hide" onclick="fToggle_content(this)" title="click to open/close"><span>⊞</span> Check How You Get Messages from a Good Email System</a> <a href="/testreceiver.html">(more...)</a> <a href="/TestReceiver">(run)</a>
<div class="boxshadow hidden">
<p><strong>Degree of Difficulty: Trivial</strong><br />
CheckTLS starts to send an email to you, but we stop before actually sending anything. We watch and analyze everything that happens during the email transfer.</p>
<p>We score the email address (our <a href="/testreceiver.html#ConfidenceFactor"><em>Confidence Factor</em>℠</a>) and let you choose how much of the analysis you want to see.</p>
</div>
<a class="section-show-hide" onclick="fToggle_content(this)" title="click to open/close"><span>⊞</span> Check How You Put Messages into a Good Email System</a> <a href="/testsender.html">(more...)</a> <a href="/TestSender">(run)</a>
<div class="boxshadow hidden">
<p><strong>Degree of Difficulty: Easy</strong><br />
Tell CheckTLS to watch for an email from you. When you send it, we watch it come in and analize everything that happens during the mail transfer.</p>
<p>We reply to your email telling you if your TLS is working and showing you details about your email security settings (SSL version, cipher, encryption, certificate, SPF, DKIM, DMARC).</p>
</div>
<a class="section-show-hide" onclick="fToggle_content(this)" title="click to open/close"><span>⊞</span> Show Protocols, Ciphers, and Vulnerabilities of an Email System</a> <a href="https://github.com/drwetter/testssl.sh#intro" target="_blank">(more...)</a> <a href="/TestReceiver?LEVEL=SSLPROBE">(run)</a>
<div class="boxshadow hidden">
<p><strong>Degree of Difficulty: Moderate</strong><br />
Probes for details using <a href="https://github.com/drwetter/testssl.sh" target="_blank">testssl.sh</a>. This test exercises the target server so takes a while and generates noticable traffic.</p>
</div>
<a class="section-show-hide" onclick="fToggle_content(this)" title="click to open/close"><span>⊞</span> Check Your Email End-To-End, Both Send and Receive at Once</a> <a href="/aboutbatch.html#Thru">(more...)</a> <a href="https://www.checktls.com/BatchUpload?CUSTOMERCODE=mycode;CUSTOMERPASS=mypass;BATCHID=new;RUNNOW=Y;XML=%3CBatchTest%20TestType=%22thru%22%3E%3CTarget%3ECheckTLS-Reply@yourdomain%3C/Target%3E%3CDelivery%3E%3CTo%3Eyou@yourdomain%3C/To%3E%3CFormat%3Etext%3C/Format%3E%3C/Delivery%3E%3C/BatchTest%3E" target="_blank">(run)</a>
<div class="boxshadow hidden">
<p><strong>Degree of Difficulty: Moderate</strong><br />
This requires a corporate subscription to CheckTLS.</p>
<p>You make a forwarder in your email system that receives email from us and returns it to us. When you run a <a href="/aboutbatch.html#Thru">Thru BatchTest</a>, we watch and analyze both how your system receives email and how it sends email.</p>
<p>See <strong>Store Tests on CheckTLS</strong> below for a better way.</p>
The (run) link above will fail but does this:
<pre class="LinedPaper"><code>https://www.checktls.com/BatchUpload?
CUSTOMERCODE=mycode;
CUSTOMERPASS=mypass;
BATCHID=new;
RUNNOW=Y;
XML=
<BatchTest TestType="thru">
<Target>CheckTLS-Reply@yourdomain</Target>
<Delivery>
<To>you@yourdomain</To>
<Format>text</Format>
</Delivery>
</BatchTest>
</code></pre></div>
<a class="section-show-hide" onclick="fToggle_content(this)" title="click to open/close"><span>⊞</span> Check Many Emails at Once</a> <a href="/aboutbatch.html">(more...)</a> <a href="/BatchEdit">(run)</a>
<div class="boxshadow hidden">
<p><strong>Degree of Difficulty: Easy</strong><br />
This requires a subscription to CheckTLS.</p>
<p>Fill in the New Batch (<a href="/BatchEdit?ACTION=EnterNewBatch"><span class="menuchoice">//email/edit saved tests:new</span></a>) screen as shown below, click Save, then click Run.</p>
<img class="boxshadow screenshot" src="/images/batchedit-new.png" alt="New Batch" /></div>
<a class="section-show-hide" onclick="fToggle_content(this)" title="click to open/close"><span>⊞</span> Check If You Force Someone Else to Encrypt Messages to You</a> <a href="/aboutmandatorytls.html">(more...)</a> <a href="/TestReceiver?ASSURETLS">(run)</a>
<div class="boxshadow hidden">
<p><strong>Degree of Difficulty: Trivial</strong><br />
CheckTLS tries to trick your email system into accepting an email without TLS.</p>
<p>If your system is correctly configured to force the use of TLS, we will fail. We then try to send an email with TLS.</p>
<p>We watch and analyze everything that happens during the email transfers.</p>
<p>We give you an <em>Assuredness Factor</em>℠ of 100 if your system forced us to use TLS.</p>
</div>
<a class="section-show-hide" onclick="fToggle_content(this)" title="click to open/close"><span>⊞</span> Check If You Force Message Encryption to Someone Else</a> <a href="/aboutmandatorytls.html">(more...)</a> <a href="/TestSender?ASSURETLS">(run)</a>
<div class="boxshadow hidden">
<p><strong>Degree of Difficulty: Easy</strong><br />
Tell CheckTLS to watch for an email from you. When you send it, we try to trick your email system into sending it without TLS.</p>
<p>If your system is correctly configured to force the use of TLS, we will fail.</p>
<p>We reply to your email telling you if you forced us to use TLS or not.</p>
</div>
<a class="section-show-hide" onclick="fToggle_content(this)" title="click to open/close"><span>⊞</span> Test a Protected (Private) Email System</a> <a href="/testreceiver.html#FULL">(more...)</a> <a href="/TestReceiver?FULL">(run)</a>
<div class="boxshadow hidden">
<p><strong>Degree of Difficulty: Easy</strong><br />
CheckTLS can test email systems that:</p>
<ul>
<li>require authorization (i.e. userid and password or a client certificate),</li>
<li>do not have DNS MX (i.e. public Internet listings)</li>
<li>use non-standard ports (i.e. 465, 587)</li>
<li>require client certificates</li>
</ul>
<p></p>
</div>
<a class="section-show-hide" onclick="fToggle_content(this)" title="click to open/close"><span>⊞</span> Store Tests on CheckTLS</a> <a href="/aboutbatch.html">(more...)</a> <a href="/BatchEdit">(run)</a>
<div class="boxshadow hidden">
<p><strong>Degree of Difficulty: Moderate</strong><br />
Corporate Subscribers can store any number of CheckTLS tests on our site. Stored tests can be run on-demand or on a schedule.</p>
<p>Store lists of addresses you want to test all at once, or schedule an end-to-end test of your email once a day. Several advanced features of our tests are only available via stored tests.</p>
<p>We can help you setup your first stored tests.</p>
</div>
<a class="section-show-hide" onclick="fToggle_content(this)" title="click to open/close"><span>⊞</span> Monitor an Email Address or Email System</a> <a href="/aboutmonitor.html">(more...)</a> <a href="/Monitor">(run)</a>
<div class="boxshadow hidden">
<p><strong>Degree of Difficulty: Moderate</strong><br />
The results of stored tests can be accessed with our Monitor webservice.</p>
<p>This lets you include our tests into your site monitoring tools like Nagios, PTRG, or OpenView.</p>
<p>Monitor also shows if a failure is really in your email or in our site. Not that our site ever fails.</p>
</div>
<a class="section-show-hide" onclick="fToggle_content(this)" title="click to open/close"><span>⊞</span> Meet Email Compliance Using Only CheckTLS</a> <a href="/compliance.html#verifiedtls">(more...)</a>
<div class="boxshadow hidden">
<p><strong>Degree of Difficulty: Moderate</strong><br />
If you regularly verify that your email meets the current minimum requirements for HIPAA or PCI, you may satisfy your compliance requirements without any additional hardware or effort.</p>
<p>Use CheckTLS tests to verify your email meets your requirements. Store the tests on our site. Schedule them to run regularly.</p>
<p>File proof of your testing.</p>
</div>
<a class="section-show-hide" onclick="fToggle_content(this)" title="click to open/close"><span>⊞</span> Put CheckTLS to Work for You</a> <a href="/aboutapi.html">(more...)</a>
<div class="boxshadow hidden">
<p><strong>Degree of Difficulty: Hard</strong><br />
Many or our tests are available as webservices. These are just specially constructed URLs.</p>
<p>They let your computer(s) tell our site to run a test for you and return the results in computer-speak.</p>
<p>For example: add an email test to your new vendor on-boarding process.</p>
</div>
<a class="section-show-hide" onclick="fToggle_content(this)" title="click to open/close"><span>⊞</span> Put CheckTLS on your WebSite or Intranet</a> <a href="/aboutembed.html">(more...)</a> <a href="/Embed">(run)</a>
<div class="boxshadow hidden">
<p><strong>Degree of Difficulty: Hard</strong><br />
Put a button on your web site that runs a CheckTLS test as if it were part of your site.</p>
</div>
<a class="section-show-hide" onclick="fToggle_content(this)" title="click to open/close"><span>⊞</span> Work with Certificates</a>
<div class="boxshadow hidden">
<p><strong>Degree of Difficulty: Easy</strong><br /></p>
<ul>
<li><a href="/GenCert">Make an SSL certificate</a></li>
<li><a href="/ShowCert">Read any SSL certificate</a></li>
<li><a href="/GenCSR">Read any SSL certificate signing request (CSR)</a></li>
<li><a href="/showcas.html">Show the Certificate Authorities (CAs) we trust</a></li>
<li><a href="/showciphers.html">Show the Ciphers we know about</a></li>
</ul>
<p></p>
</div>
<a class="section-show-hide" onclick="fToggle_content(this)" title="click to open/close"><span>⊞</span> Sniff Packets on the Internet</a> <a href="/watchconnect.html">(more...)</a> <a href="/WatchConnect">(run)</a>
<div class="boxshadow hidden">
<p><strong>Degree of Difficulty: Hard</strong><br />
This requires a corporate subscription to CheckTLS.</p>
<p>No, CheckTLS cannot sniff any packet on the Internet. But by inserting WatchConnect into an Internet connection, it can sniff your particular packets.</p>
<p>Change your client to connect to WatchConnect instead of your server. Instruct WatchConnect to answer and forward everything to your server.</p>
<p>WatchConnect can then capture everything coming both ways and show it to you.</p>
</div>
<a class="section-show-hide" onclick="fToggle_content(this)" title="click to open/close"><span>⊞</span> Test Any Internet Service</a> <a href="/testservice.html">(more...)</a> <a href="/TestService">(run)</a>
<div class="boxshadow hidden">
<p><strong>Degree of Difficulty: Hard</strong><br />
This requires a corporate subscription to CheckTLS.</p>
<p>Techs use telnet to test various services that listen to Internet ports.</p>
<p>The CheckTLS Protocol Analyzer (TestService, aka ScriptTelnet) executes stored telnet-like scripts. By scripting telnet, it is very easy to repeat a test, so you can make changes and try them over and over.</p>
</div>
</div>
</div>
<a class="anchor" name="LowerCosts" id="LowerCosts"></a>
<h4 class="center">OutSource Email Support to Us</h4>
<div class="auto-multi-column">
<p>We create a custom CheckTLS site that implements your security requirements. Your trading partners then work with <strong>us</strong> to meet <strong>your</strong> requirements.</p>
<p>We show them why their email does not meet your requirements, and we let them see the changes they make on their systems in real-time. All without bothering you.</p>
<p>Once they meet your requirements on the custom site, they and you know their email will work with your email and meet your email requirements.</p>
<p>Once you approve a trading partner, we will monitor that they stay compliant with your requirements. And we send error alerts to both them and you, so they and you know about problems sooner.</p>
<p>As your email security requirements change in the future, you can use the monitoring database on our system to do "what if" analysis over your list of trading partners. By adding the new security requirements to your custom site on CheckTLS before you implement them in production, you can give the trading partners the time and tools they need to meet your new requirements. And you can send specific instructions to the ones that need to take action based on your "what if" analysis.</p>
<p><a href="/ContactUs">Contact Us</a> for more information about a custom CheckTLS site (e.g. <span class="c4">www.OurBank.CheckTLS.com</span>).</p>
</div>
<h4 class="center">CheckTLS Offers</h4>
<div class="auto-multi-column">
<p><a href="#CommercialServices"><strong>Commercial Services</strong></a> are a very low cost solution for HIPAA compliance or other security mandates. No devices, no on-line services — just add verification and audit to your existing email systems!</p>
<p><strong>Email Tools</strong> are quick and easy tools to test email and email security, specifically TLS encryption.</p>
<p><strong>Cloud Tools</strong> are network "wire" tools that we have invented to work "in the cloud". Capture packets or analyze protocols out on the Internet.</p>
<p><strong><a href="/aboutapi.html">Web Service API</a></strong> lets you use CheckTLS in your own data processing.</p>
<p><strong><a href="/aboutembed.html">Embed API</a></strong> lets you put CheckTLS on your own intranet or public web site.</p>
<p>Much of our site is free for casual, non-commercial use.</p>
</div>
<a name="CommercialServices" id="CommercialServices"></a>
<h4 class="center">Commercial Services</h4>
<div class="auto-multi-column">
<h5>References</h5>
<p>We are part of the security policies and operations of some very large and prestigious financial institutions, health care systems, insurance companies, and law firms. Why? Two reasons: our tests work and we save them money!</p>
<h5>Secure Your Company Email</h5>
<p>You can use CheckTLS instead of expensive email appliances or on-line email services to meet internal security requirements, contractual security requirements, and government security requirements. One less moving part in your email chain and one less expense. <strong>Our tests are a very inexpensive answer to PHI (HIPAA/HITEST), PCI-DSS, PII, US NIST requirements.</strong></p>
<p>If you already have extra in-line or on-line email security, CheckTLS can verify they're working and monitor them to be sure they keep working. A few extra bucks a month to make sure all that sophisticated stuff is working.</p>
<h5>Protect Your Company from Your Business Partners</h5>
<p>Use CheckTLS to make sure your trading partners are secure enough to do business with you. As part of your new vendor and new customer process, verify that their email scores a <em>Confidence Factor</em>℠ of 90 or above on our <a href="/testreceiver.html">receiver</a> test.</p>
<h5>Broadly Applicable</h5>
<p>Whether you are a small shop that needs something simple and low cost, a medium business that needs to beef up security to meet increasing scrutiny by your trading partners, or an enterprise organization that wants some oversight of many security facets, CheckTLS can solve many of your security challenges faster, easier, and at significantly less cost.</p>
<h5>Noiseless</h5>
<p>Our tests are non-invasive, non-intrusive, and non-obtrusive. They require no changes to your or any other system. They cause no extra processing and should not trip any security alarms.</p>
<h5>Reliable</h5>
<p>Our tests are simple, open, and proven. For six years we have been doing over a million tests a year. We research all questionable results, and we welcome feedback and suggestions. You can turn up the detail and audit everything we do.</p>
<h5>Business Benefits</h5>
<ul>
<li>Email security at low cost, easy install, no risk</li>
<li>Safeguard "Protected" information: PHI, PCI, PII, etc.</li>
<li>Comply with HIPAA/HITECH, PCI-DSS, NIST</li>
<li>Monitor your email from the Internet</li>
<li>Add regular, independent verification to your Security Policy</li>
<li>No changes to your email: no devices or routing</li>
<li>Good first step into email security</li>
<li>Good next step no matter how advanced your security devices and services</li>
<li>Demonstrates effort and consideration of security</li>
<li>We can help with your security designs and documentation</li>
</ul>
<h5>Business Users Have Priority</h5>
<ul>
<li>Run tests faster and at a higher priority</li>
<li>Program multiple tests, save them, and run them on a schedule</li>
<li>Monitor CheckTLS <strong>and</strong> your email (fail-safe monitoring)</li>
<li>Add custom test and/or monitor icons on your desktop or your phone</li>
<li>Use the CheckTLS API to automate testing and interface with your IT</li>
<li>Receive unlimited support</li>
<li>Meet requirements for Protected Information (PHI, PCI, PII, NIST, etc.)</li>
<li>Assistance and sample language for HIPAA and other compliance</li>
</ul>
<p>Sleep better knowing someone else is watching over your email.</p>
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<h4 class="center">Email and Cloud Tools</h4>
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<ul>
<li>See how you <a href="/testreceiver.html">receive email</a></li>
<li>See how you <a href="/testsender.html">send email</a></li>
<li>Audit our "score" of any address</li>
<li><a href="/aboutbatch.html">Watch</a> your email 24x7x365</li>
<li>Check that <a href="/aboutmandatorytls.html">Mandatory/Forced TLS</a> is working</li>
<li><a href="/GenCert">Create</a> or <a href="/ShowCert">show</a> SSL certificates</li>
<li><a href="/testservice.html">Analyze cloud services</a> besides email (HTTP/S, IMAP/S, POP/S, FTP/S, client/server)</li>
<li><a href="/watchconnect.html">Packet sniff Internet traffic</a> without access to the "wire"</li>
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<li><a>email</a>
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<li><a href="/TestReceiver">test <span class="tooltiptext"></span>
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test <span class="boldtofrom">From:</span></ul>
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<li><a href="/TestReceiver?ASSURETLS">test Mandatory <span class="boldtofrom">To:</span></a></li>
<li><a href="/TestSender?ASSURETLS">test Mandatory <span class="boldtofrom">From:</span></a></li>
<li><a href="/BatchEdit">edit saved tests</a></li>
<li><a href="/BatchUpload">upload saved test</a></li>
<li><a href="/Monitor">monitor</a></li>
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<li><a href="/TestService">protocol analyzer</a></li>
<li><a href="/WatchConnect">packet sniffer</a></li>
<li><a href="/Embed">embed</a></li>
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<li><a>help</a>
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<li><a href="/aboutbatch.html">saving tests</a></li>
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<li><a href="/aboutus.html">about us</a></li>
<li><a href="/ContactUs">contact us</a></li>
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<p>Copyright © 2010-2019 SecurEmail, LLC. All Rights Reserved. Any use of this site is explicit agreement to <a href="/terms.html">Terms of Use</a> We welcome links to our site and any feedback: <a href="/ContactUs">Contact Us</a><br />
CheckTLS℠, ForceTLS℠, MonitorTLS℠, "Verified TLS"℠, and "Confidence Factor"℠ are Service Marks of SecurEmail, LLC.</p>
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