Try this howto http://www.debianadmin.com/debian-mail-server-setup-with-postfix-dovecot-sasl-squirrel-mail.html
I think my problem is related with reverse dns as falko stated so I am working with the hosting service to try solve the problem. Anyway, can...
You should install Postfix unless if another MTA is already installed on your server.
Thanks very much falko for the great howto. Everything works perfectly well for me; I can send and receive emails successfully however just one...
My server is now working perfectly well after upgrading the server to a virtual users and domains mail server as described in the howtos. However...
I believe it's a DNS issue. Just check that all your domains (including virtual domains) point to the right ip address.
My mail server has been working perfectly until just recently. It could no longer send nor receive mails. I checked the mail log and it showed...
Separate names with a comma.
