serverfault.com/questions/523804/is-starttls-more-safe-than-...
In Thunderbird (and I assume in many other clients, too) I have the option to choose between "SSL/TLS" and "STARTTLS".
As far as I understand it, "STARTTLS" means in simple words "encrypt if both ends support TLS, o ...
novosial.org/openssl/tls-name/index.html
This page outlines terminology problems with the Secure Sockets Layer (SSL) protocol, the Transport Layer Security (TLS) protocol, the term STARTTLS, and the Transmission Control Protocol (TCP) ports used for encrypted connections. Other information on ...
superuser.com/questions/620745/thunderbird-ssl-tls-vs-startt...
Following up this question on serverfault "Is STARTTLS more safe than TLS/SSL?" it came up that the question is rather a question about Thunderbird and not about the actual protocols. Also, if you Google about this topic you will find ...
luxsci.com/blog/smtp-tls-all-about-secure-email-delivery-ove...
TLS, Transport Layer Security, seamlessly ensures transport email encryption for email delivery over SMTP between supporting servers. This is an easy to read article explaining SMTP TLS.
www.fehcom.de/qmail/smtptls.html
An indepth tutorial on SMTP and TLS.
qmail.jms1.net/test-auth.shtml
When setting up a mail server, one of the things you should do before you "go live" is to test it- not only to make sure things which should work, do work, but to make sure things which shouldn't work, don't.
One of the things to test is whethe ...
support.google.com/mail/answer/78775?hl=en
There are a few common reasons why Gmail users may have trouble sending mail with Gmail's IMAP or POP feature. If you can't send mail, here's a troubleshooting checklist:
randombitsofuselessinformation.blogspot.co.uk/2008/03/invest...
A basic set of instructions oh how to use telnet to diagnose SSL SMTP connections
serverfault.com/questions/131627/how-to-inspect-remote-smtp-...
We have an Exchange 2007 server running on Windows Server 2008. Our client uses another vendor's mail server. Their security policies require us to use enforced TLS. This was working fine until recently.
Now, when Exchange tries to deliver mail ...
community.spiceworks.com/how_to/show/2974-how-to-determine-i...
Read the step-by-step instructions written by an IT pro in the how to: How to determine if a mail server is TLS enabled.
usertools.plus.net/tutorials/id/21
In this tutorial I will be explaining the use of Telnet for accessing your cgi webspace shell as well as using it as a very simple and useful diagnostic aid in determining if a server or service is responding to requests.
In the following secti ...
serverfault.com/questions/64411/whats-the-best-way-to-check-...
What's the best way to check if an SMTP server is SSL-enabled or not?
Follow-up question: How do I make it SSL-enabled if it's not yet SSL-enabled.
A simple thread discussing these questions.
support.sendgrid.com/hc/en-us/articles/200182038-Testing-you...
Use these instructions to test the connection to your email server. The instructions are geared to SendGrid's servers but the method can be applied to any email Server.
technet.microsoft.com/en-us/library/aa995718%28v=exchg.65%29...
Telnet is an extremely useful tool for troubleshooting issues related to SMTP and mail flow. For example, you can use telnet to:
Verify that SMTP is installed properly, and that it has all the necessary commands.
iserversupport.com/find-spammer-on-cpanel-exim-server/
This is very important to you to know how you can Find Spammer on cPanel exim server. Just go through our post to get information about it.
tools.verifyemailaddress.io/Articles/Ping/How_To_Ping_Email_...
Pinging an email box is a way to see if an email address is valid or not. Learn how it's done.
This article gets into the technical meat of how to ping email boxes. It's target audience assumes a basic level of computer and networking understan ...
mail.google.com/support/bin/answer.py?answer=77689
To set up your Outlook 2007 client to work with Gmail
www.arclab.com/en/amlc/list-of-smtp-and-pop3-servers-mailser...
This is a list of all the major email provider's email settings which also includes UK ISP settings.
kb.worldsecuresystems.com/kb/configure-ssl-encryption-your-e...
With today's email clients, it's possible to use secure SSL connections for added security. Doing so ensures that if another person somehow has the ability to eavesdrop on your Internet connections, that person won't be able to view your password or th ...
support.terranetwork.net/web/knowledgebase/169/Secure-Email-...
This article explains how to set up email over SSL. Email over SSL is an optional feature on our standard hosting packages; and a compulsory feature on our Secure (PCI compliant) hosting packages.
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