Michael Sullivan wrote:
Are you port forwarding port 143 through your NAT if you're using NAT? Are you allowing imap in your firewall rules?I'd also try the suggesting of changing to listen = * suggested here. http://gentoo-wiki.com/Dovecot#Configure kashaniFrom nmap:143/tcp filtered imap 443/tcp filtered https
So yes you have a firewall and you have not checked the rules? That's generally what filtered means.
kashani