I have Postfix installed on an Ubuntu box, but now I need to configure POP3 and SMTP. Is there some guide on how to do this?
closed as off topic by sysadmin1138♦ Aug 16 '11 at 14:50
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POP3 is not part of postfix. Postfix is an MTA. I suggest you use dovecot as the pop3 server.
There are plenty of guides on the internet