MX stands for mail exchange record, and is used in DNS for publishing an e-mail server designated to receive incoming e-mail for a domain. You should not be using MX to represent Microsoft Exchange server, or anything else! John Tolmachoff Engineer/Consultant/Owner eServices For You -----Original Message----- From: Naboth Semwayo [mailto:naboths@xxxxxxxxxxxxxxxx] Sent: Tuesday, June 29, 2004 5:27 AM To: [ExchangeList] Subject: [exchangelist] RE: Relay POP3 http://www.MSExchange.org/ MX is short for microsoft exchange. Can you give us more details on your setup please. Eg number of servers, Operating system, number of users, MX version PopCon is a good product but can be cumbersome administratively. Why do you want to abandon that route?