Sep 23 22:26:12 imap-login: Debug: SSL: elliptic curve secp384r1 will be used for ECDH and ECDHE key exchanges
Sep 23 22:26:12 imap-login: Debug: SSL: elliptic curve secp384r1 will be used for ECDH and ECDHE key exchanges
Sep 23 22:26:12 imap-login: Debug: SSL: where=0x10, ret=1: before/accept initialization [162.216.17.187]
Sep 23 22:26:12 imap-login: Debug: SSL: where=0x2001, ret=1: before/accept initialization [162.216.17.187]
Sep 23 22:26:12 imap-login: Debug: SSL: where=0x2002, ret=-1: SSLv2/v3 read client hello A [162.216.17.187]
Sep 23 22:26:12 auth: Debug: Loading modules from directory: /usr/lib64/dovecot/auth
Sep 23 22:26:12 auth: Debug: Module loaded: /usr/lib64/dovecot/auth/libdriver_mysql.so
Sep 23 22:26:12 auth: Debug: Module loaded: /usr/lib64/dovecot/auth/libdriver_sqlite.so
Sep 23 22:26:12 auth: Debug: Read auth token secret from /var/run/dovecot/auth-token-secret.dat
Sep 23 22:26:12 auth: Debug: auth client connected (pid=7478)
Sep 23 22:26:15 imap-login: Debug: SSL: where=0x2002, ret=-1: SSLv2/v3 read client hello A [162.216.17.187]
Sep 23 22:26:16 imap-login: Debug: SSL: where=0x2002, ret=-1: SSLv2/v3 read client hello A [162.216.17.187]
Sep 23 22:26:17 imap-login: Debug: SSL: where=0x2002, ret=-1: SSLv2/v3 read client hello A [162.216.17.187]
Sep 23 22:26:17 imap-login: Info: Disconnected (no auth attempts in 5 secs): user=<>, rip=162.216.17.187, lip=162.216.17.187, TLS handshaking: SSL_accept() failed: error:140760FC:SSL routines:SSL23_GET_CLIENT_HELLO:unknown protocol, session=<XXPRtpR2rgCi2BG7>