Jan 28 22:42:44 dovecot: imap-login: Disconnected (no auth attempts in 0 secs): user=<>, rip=192.168.1.16, lip=192.168.1.3, TLS: SSL_read() failed: error:14094418:SSL routines:ssl3_read_bytes:tlsv1 alert unknown ca: SSL alert number 48, session= ... # SSL/TLS support: yes, no, required. ssl = yes ssl_cert =

Are you using client verification (i.e. mutual authentication of mail client and server)?

If not, just comment out ssl_ca.

Joseph Tam jtam.home@gmail.com