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 ...

My school uses an IMAP email system that I connect to via Outlook. However, they only allow me to use their outgoing mail server when I access my email from within their domain. That server is ...

I work for an ISP and occasionally deal with customers who swear up and down that they need *our* outgoing email server to make email that we do not host or provide work. Example: Customer has ...

It appears many Mail users are having authentication problems in which they are prompted for the username and password every time a message is sent (either manually ...