On 21/8/2019 16:12, Kristijan Savic - ratiokontakt GmbH via dovecot wrote:
We recently upgraded from dovecot 2.2 to 2.3.7.1-1
Not many, but some users are experiencing difficulties. The dovecot directors
log:
Aug 21 14:28:49 director01 dovecot: pop3-login: Disconnected (no auth attempts
in 0 secs): user=<>, rip=redacted, lip=10.0.0.120, TLS handshaking:
SSL_accept() failed: error:1408A0C1:SSL routines:ssl3_get_client_hello:no
shared cipher, session=<EeoTt5+QXwVUl87W>
Any ide what could be causing it?
SSL3 is no longer included in the cipher sets. Try this:
ssl_min_protocol = SSLv3
