Sep 20 12:45:27 brusnika dovecot: pop3-login: Disconnected (no auth attempts in 0 secs): user=<>, rip=50.31.21.4, lip=91.240.85.155, TLS handshaking: read(size=916) failed: Connection reset by peer, session=<dydCPMcFbq0yHxUE>
Sep 20 12:45:34 brusnika dovecot: pop3-login: Disconnected (no auth attempts in 6 secs): user=<>, rip=50.31.21.4, lip=91.240.85.155, TLS, session=<iuanPMcFfK0yHxUE>
Sep 20 12:47:29 brusnika dovecot: pop3-login: Disconnected (no auth attempts in 5 secs): user=<>, rip=50.31.21.4, lip=91.240.85.155, TLS handshaking: SSL_accept() failed: error:1408F09C:SSL routines:ssl3_get_record:http request, session=<PkaJQ8cFjNwyHxUE>
Sep 20 12:47:31 brusnika dovecot: pop3-login: Disconnected (no auth attempts in 1 secs): user=<>, rip=50.31.21.4, lip=91.240.85.155, TLS, session=<j0GkQ8cFTo4yHxUE>
Sep 20 13:27:08 brusnika dovecot: imap-login: Aborted login (no auth attempts in 1 secs): user=<>, rip=185.180.143.12, lip=91.240.85.155, TLS, session=<aY5S0ccFUq+5tI8M>
Sep 20 13:27:09 brusnika dovecot: imap-login: Disconnected (no auth attempts in 0 secs): user=<>, rip=185.180.143.12, lip=91.240.85.155, TLS: SSL_read failed: error:1408F10B:SSL routines:ssl3_get_record:wrong version number, session=<zA5c0ccFXq+5tI8M>
Sep 20 13:27:10 brusnika dovecot: imap-login: Disconnected (no auth attempts in 0 secs): user=<>, rip=185.180.143.12, lip=91.240.85.155, TLS, session=<pVJq0ccFbK+5tI8M>
Sep 20 13:27:11 brusnika dovecot: imap-login: Disconnected (no auth attempts in 1 secs): user=<>, rip=185.180.143.12, lip=91.240.85.155, TLS, session=<vfV40ccFbq+5tI8M>
Sep 20 13:27:12 brusnika dovecot: imap-login: Disconnected (no auth attempts in 1 secs): user=<>, rip=185.180.143.12, lip=91.240.85.155, TLS, session=<fAGF0ccFeq+5tI8M>
Sep 20 13:27:12 brusnika dovecot: imap-login: Disconnected (no auth attempts in 0 secs): user=<>, rip=185.180.143.12, lip=91.240.85.155, TLS handshaking: SSL_accept() failed: error:1420918C:SSL routines:tls_early_post_process_client_hello:version too low, session=<KAWQ0ccFaIG5tI8M>
Sep 20 13:27:13 brusnika dovecot: imap-login: Disconnected (no auth attempts in 0 secs): user=<>, rip=185.180.143.19, lip=91.240.85.155, TLS handshaking: SSL_accept() failed: error:142090FC:SSL routines:tls_early_post_process_client_hello:unknown protocol, session=<+0af0ccFI7u5tI8T>
Sep 20 13:27:14 brusnika dovecot: imap-login: Disconnected (no auth attempts in 0 secs): user=<>, rip=185.180.143.12, lip=91.240.85.155, TLS, session=<s/iq0ccFcIG5tI8M>
Sep 20 13:27:14 brusnika dovecot: imap-login: Disconnected (no auth attempts in 0 secs): user=<>, rip=185.180.143.12, lip=91.240.85.155, TLS, session=<jlax0ccFdIG5tI8M>
Sep 20 13:27:15 brusnika dovecot: imap-login: Disconnected (no auth attempts in 0 secs): user=<>, rip=185.180.143.12, lip=91.240.85.155, TLS handshaking: SSL_accept() failed: error:1417A0C1:SSL routines:tls_post_process_client_hello:no shared cipher, session=<wJmz0ccFhIG5tI8M>
Sep 20 13:27:16 brusnika dovecot: imap-login: Disconnected (no auth attempts in 1 secs): user=<>, rip=185.180.143.12, lip=91.240.85.155, TLS, session=<bIPD0ccFkIG5tI8M>
Sep 20 13:27:16 brusnika dovecot: imap-login: Disconnected (no auth attempts in 0 secs): user=<>, rip=185.180.143.12, lip=91.240.85.155, TLS handshaking: SSL_accept() failed: error:1417A0C1:SSL routines:tls_post_process_client_hello:no shared cipher, session=<DfTF0ccFloG5tI8M>
Sep 20 13:27:17 brusnika dovecot: imap-login: Disconnected (no auth attempts in 1 secs): user=<>, rip=185.180.143.12, lip=91.240.85.155, TLS, session=<5JXR0ccFmoG5tI8M>
Sep 20 14:36:49 brusnika dovecot: imap-login: Aborted login (no auth attempts in 5 secs): user=<>, rip=87.236.176.165, lip=91.240.85.155, TLS, session=<RAV9ysgFO6FX7LCl>reject_rbl_client bl.spamcop.net, убрал его и перезапустил postfix и все заработало sudo apt update
sudo apt install software-properties-commonvi /usr/bin/add-apt-repository/usr/local/sbin/certbotpython python2.7 python3.10 python3.9
python2 python3 python3.10-config