[Dovecot] 64.31.19.48 attempt to break into my computer

[Rick Romero]

Quoting Alex <other at ahhyes.net>:

> It [fail2ban] is a great tool. Unfortunately dovecot allows infinate  
> incorrect logins during a single session. When fail2ban has  
> firewalled the ip its pointless as the rule only affects new  
> sessions, not established ones. I am disappointed that the author of  
> dovecot has no interest in adding a feature that closes the session  
> after x auth failures. It would certainly make tools like fail2ban  
> more effective.

If that is a big issue for you, you could always have fail2ban add a  
dummy route:
For example:  route add $IP gw 127.0.0.1



Rick