Mail Host
Mail HostIf Dns is setup incorrectly, over time your mail server Ip will be added to blacklists. Nowadays most E-Mail servers have some kind of spam protection service which in turn means that all your inbound mail will be blocked if you do happen to be listed on a spam blacklist.
Mail HostIn this record I will chronicle how to correctly configure your Mx and reverse Dns records for your mail server. This record is based on an change 2003/2007 server but every other messaging server will ensue the same principle.