Hope this helps, Kam.
still have a server/site problem with mail (with both software!!) I can send message but not receive from outside I get the error when I send from ouside : <test@xxxxxxxxxx>: **my server IP** does not like recipient. Remote host said: 550 5.7.1 <test@xxxxxxxxxx>... Relaying denied. (note : the user 'test' exist on 'mysite')