Dovecot brute-force blocking with fail2ban

If you are getting any brute force attacks to your dovecot imap/pop3 server, install fail2ban to block the offenders. This works on CentOs 5.7. For other distributions, see the relevant websites. Firstly, install fail2ban. You should have the rpmforge repo from my previous post. Enable it first to install fail2ban:… Continue reading