Dear Thierry, (I'm omitting the remainder of your post because the below has a separate root cause from what has been assumed.)
>[...] > This morning logs: > > Feb 07 05:50:13 doveadm: Error: Corrupted SSL parameters file in state_dir: ssl-parameters.dat - disabling SSL 360 > Feb 07 05:50:13 doveadm: Error: Couldn't initialize SSL parameters, disabling SSL >[...] Did I miss these lines before or did the messages change? In either case, have a look at http://wiki.dovecot.org/SSL/DovecotConfiguration#SSL_security_settings which explains how to fix this in detail--if you're lucky, your problems might be gone afterwards. KR, Markus
