18 Jul 2007

Receiving mail OK, but I’m having problems sending mail.

Posted by kilbot | Filed under: Frequently Asked Questions, Hosting FAQ

A common source of problems when sending emails is port 25 blocking. By default most email clients (eg: Outlook, Thunderbird) will use port 25 to connect and communicate with the outgoing mail server. Some ISP‘s block port 25 connections to servers other than their own, in this way they can trace any spam coming from their network.

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