Category: Messaging

Why Do We Need an SPF (TXT) Record?

There’s been a couple of times where I needed to re-route external email flow through another gateway for various reasons. The task itself is not very complicated if you understand...

Testing SMTP Through Telnet

There are instances where we we need to test SMTP on remote servers such as Exchange Server 2010 Hub Transport servers. One of the ways of doing this is through...