Upgrade to 2.3.1 has failed

[Alexander Dalloz]

Am 15.12.2018 um 17:16 schrieb C. Andrews Lavarre:
> 		to /etc/apparmor.d/local/usr.lib.dovecot.imap-login but still
> cannot login with either the mail client or with explicit openssl: it
> complains
> 		error:140770FC:SSL routines:SSL23_GET_SERVER_HELLO:unknown
> protocol:s23_clnt.c:794:

Hi,

that error above typically means to connect with SSL to STARTTLS or vice 
versa.

Please provide the complete command you issue using "openssl s_client" 
together with the corresponding dovecot logging. As well the output of 
"doveconf -n" would be useful to help you further.

Alexander