Heres is a nice tutorial of
How to install a mail server (postfix) supporting IMAP and POP3 (Ubuntu)
and another one
http://www.krizna.com/ubuntu/setup-mail-server-ubuntu-14-04/#dovecot
Heres is a nice tutorial of
How to install a mail server (postfix) supporting IMAP and POP3 (Ubuntu)
and another one
http://www.krizna.com/ubuntu/setup-mail-server-ubuntu-14-04/#dovecot