i will check out the links you provided..thank you very much for the help..by the way ...i am planning to set up a mail server using RED HAT 7.0..what it should do is connect to a POP server and download mails and send mails to an SMTP server...do i have to configure sendmail for that..frankly speaking i could not make heads or tails of the sendmail config files..it will be very helpful if you or anyone out there could help me with this..

with regards
scorpion