Allow a Server to “Relay” Through Microsoft Exchange
KB ID 0000542 Problem Back in the early days of email, just about all mail servers let you relay mail though them. That was fine until someone worked out you could then get someone else to send out your “spam”, and they would look like the guilty party. Even today people misconfigure their Exchange servers and make them an open relay. But what happens if you have a particular server or machine that you want to let use your...
Exchange – 4.5.1. 4.4.0 Primary Target 4.2.1 unable to connect to alternative host
KB ID 0000790 Problem My colleague Allen was doing an Exchange 2003 to 2010 migration today, and things were not going well, mail refused to flow from the Exchange 2003 server to the Exchange 2010 server (it flowed from 2010 to 2003 without error). During migrations that’s not unusual, and removing and recreating the routing groups usually fixes it, but he had done that. Mail was sat on the Exchange 2003 Server outbound queues on the...