Hi, the default:
listen = *, :: should work and should open port 143 on IPv4 and IPv6. In my setup it looks broken: r...@mail-archiv:/etc/dovecot# doveconf | grep ^listen listen = *, :: r...@mail-archiv:/etc/dovecot# /etc/init.d/dovecot restart Restarting mail server: dovecotError: service(imap-login): listen(::, 143) failed: Address already in use Fatal: Failed to start listeners r...@mail-archiv:/etc/dovecot# But it's working with "listen = *": r...@mail-archiv:/etc/dovecot# doveconf | grep ^listen listen = * r...@mail-archiv:/etc/dovecot# /etc/init.d/dovecot restart Restarting mail server: dovecot. r...@mail-archiv:/etc/dovecot# Peer Heinlein -- Heinlein Professional Linux Support GmbH Linux: Akademie - Support - Hosting http://www.heinlein-support.de Tel: 030-405051-42 Fax: 030-405051-19 Zwangsangaben lt. §35a GmbHG: HRB 93818 B / Amtsgericht Berlin-Charlottenburg, Geschäftsführer: Peer Heinlein -- Sitz: Berlin