Displaying 1 result from an estimated 1 matches for "uppwr7sqrrpxtiyo".
2020 Jul 18
2
problem with client using TLS
...client_hello:unsupported protocol
Jul 18 12:24:57 imap-login: Info: Disconnected (no auth attempts in 0 secs): user=<>, rip=87.182.44.142, lip=185.84.81.115, TLS handshaking: SSL_accept() failed: error:14209102:SSL routines:tls_early_post_process_client_hello:unsupported protocol, session=<uppwr7SqrrpXtiyO>
Jul 18 12:24:57 imap-login: Debug: SSL error: SSL_accept() syscall failed: Invalid argument
Tried different settings without luck.
grep -v '^#' 10-ssl.conf
ssl = yes
ssl_cert = </etc/letsencrypt/live/smtp.dualbit.de/fullchain.pem
ssl_key = </etc/letsencrypt/live/smtp.dualbit.de/...