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 ...

An SMTP server allows you to send, receive, and forward email messages between users. Learn how to configure SMTP server in ...

Verizon is one of the many Internet Service Providers that require you to authenticate when sending mail. The purpose of SMTP authentication is to reduce email spamming and abusive mailing behaviors.

Thunderbird only (Windows/Mac/Linux): Experimental Thunderbird extension SendVia changes your outgoing SMTP mail server on the fly while composing a message. Using the extension is as simple as ...

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 ...

I use Outlook for my general email. Recently, Comcast shut down my modem's port 25 and required me to use port 587 for security reasons. Separately, I use Thunderbird to send email relating to a small ...

So I have to change my outgoing SMTP server in OS X. Easy enough, except for this: the Mail.app prefs only show a single server for config, while the Internet panel in System Prefs offers separate ...

This list is a companion piece to the Secure Web server installation portion of SearchSecurity.com's Intrusion Defense School lesson on Web attack prevention and defense. Check out the companion ...

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 ...