smtps

In order to provide additional security when you use email, we intend to enable a feature called “secure SMTP“ from Tuesday, 10 October 2006. Most people will not notice any difference. However, for people who use Eudora versions 4, 5 or 6 for Windows, it is likely that you will need to make one or two changes to your Eudora options, which are described below.
There may also be corresponding issues with one or two other e-mail or antivirus programs or mail servers.

Sometimes you’ll open your email client and your email will arrive in your inbox, but when it comes to sending a message you get an error message. Below are a few steps to follow for Outlook/Thunderbird on how to fix this problem.