Problem with moving email servers to new IP

We have discovered a rather annoying email problem this week. Because of a closure of a data centre we have used for over 10 years, we have been forced to pickup our servers and move them over to a new data centre. As annoying and as much work as this is, we have found one particular issue with the change of our primary email servers over to a new IP. In recent years, there has been a new emergence of spam email fighting systems. Cisco is using it’s power of… Read MoreProblem with moving email servers to new IP »