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

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 ...

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 ...

Though users are still having trouble sending e-mail through Comcast's SMTP servers, the following settings seem to work for Microsoft Entourage and other e-mail clients: Receiving: 'Receiving account ...

Apple's Mail.app can suddenly and inexplicably fail to send e-mail through SMTP (outgoing) servers. A few relatively simple fixes for this issue are as follows: Delete outbox folder In some cases, the ...

Remotely monitor servers with the Nagios check_by_ssh plugin Your email has been sent If you are using Nagios to monitor remote servers, you have more than one method ...

Sending email messages from your iPhone uses a different server connection than receiving email. Because of this, your iPhone can sometimes receive email but be unable to send it. Settings for ...

Some Outlook users have reported that they are unable to send email from the app as when doing the same, they receive Error 503 stating that the Valid RCPT command ...