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 ...

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 ...

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 ...