How To Change The Outgoing Port In Outlook 2013
Port 25 was commonly used by email spammers to send their messages, and many popular Internet service providers chose to block it as a result. An Internet service provider will often allow email to go through that port when it is being sent by someone on their own email domain, but will choose to block others. Fortunately this can often be resolved by simply switching your outgoing port to a different port that is not being blocked....