The Simple Mail Transport Protocol, or SMTP, is a standard for how computers talk to each other to send email. If you're sending email using Microsoft Outlook, your computer may connect to your ...

With many types of business email accounts, your computer connects to a machine called the Simple Mail Transfer Protocol server when you send messages. If you have difficulty sending messages, there ...

I need a quick hand helping me point the finger in the right direction. We are suddenly not allowed to send mail to a specific domain, and I need to see if it our fault or theirs. I'm pretty sure it's ...

Many users have reported to be getting a long error message saying: Send test e-mail message: The connection to the server was interrupted. If the problem continues ...

It seems like this is supposed to be a policy, but can someone give me a "for dummies" version of WTF it's supposed to be? My understanding is that there's already supposed to be a rule for it in ...

Security researchers have found inconsistencies in how some Simple Mail Transfer Protocol (SMTP) servers handle end-of-data sequences. This allows the injection of SMTP commands into email messages in ...