Various Spam Issues and the Appropriate Steps to Resolve Them: Symptom: Users of the domain are getting a large amount of spam Problem: Spam sucks… Resolution: Outsource spam to MXLogic, Postini, Katharion, etc., limit incoming traffic over port 25 to the IP scheme of the outsourced service and use whatever form of message hygiene is built into the server for a layered approach (eg – Intelligent Messaging Filter in Exchange, Spam Assassin in Mac OS X Mail Server, Kerio Spam rules, etc. Symptom: An IP or domain name is getting flagged as being a spammer although the users do not send spam. Problem: The mail server potentially does…