Mail not forwarded

[Pzz]

Hi,

My mail doesn't get forwarded since a few days. I updated Dovecot recently, I also updated to 1.63.3.

My maillog shows lines like this one:

Dec 21 12:57:34 server dovecot[27861]: imap-login: Disconnected: Connection closed: SSL_accept() failed: error:140760FC:SSL routines:SSL23_GET_CLIENT_HELLO:unknown protocol (no auth attempts in 2 secs): user=<>, rip=170.130.187.42, lip=xxx.xxx.xxx.xxx, TLS handshaking: SSL_accept() failed: error:140760FC:SSL routines:SSL23_GET_CLIENT_HELLO:unknown protocol, session=<VVfztabTuuKqgrsq>

 

[Richard G]

Maybe hostname was renewed too? Just to be sure, check this one and try the solution if ciphers are missing:

Solved - [BUG] Letsencrypt renew on hostname looses DHE ciphers causing TLS issues with some customers

Again the same issue on renewing hostname certificate. Related thread: https://forum.directadmin.com/threads/exim-issue-diffie-hellman.62903/page-3 see post #9 and #10. Related ticket number: #34284 Every time when the hostname certificate gets renewed with Letsencrypt we loose the DHE...

forum.directadmin.com