Installing Dovecot

Find your linux version

#uname -a     - gives you the version of the OS  x86 or X86-64

Based on that sdownload Dovecot from here  http://www.dovecot.org/download.html

If it needs   libmysqlclient .so.15  download it's RPM from here http://rpm.pbone.net/

Edit /etc/dovecot.conf
========================================================

protocols = imap imaps pop3 pop3s

auth default {
mechanisms = plain login
passdb pam {
}
userdb passwd {
}
socket listen {
client {
path = /var/spool/postfix/private/auth
mode = 0660
user = postfix
group = postfix
}
}
}
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