I have the mail server with manual excellent http://www.howtoforge.com/virtual-users-domains-postfix-courier-mysql-squirrelmail-debian-lenny. It's working 100% and it is very good but I need in the mysql the user = user , not user = email@example.com and his alias = firstname.lastname@example.org because I have the other mail server with this config for the clients and I will want bring the domain a my company. The configuration will be well: Example: user = raul alias = email@example.com How I can do those? Can I help me please?? Excuse me for my english...Thanks in advance.