Mar 1 09:27:02 mail submit-tls/smtpd[86118]: connect from localhost[127.0.0.1] Mar 1 09:27:02 mail submit-tls/smtpd[86118]: SSL_accept error from localhost[127.0.0.1]: 0 Mar 1 09:27:02 mail submit-tls/smtpd[86118]: warning: TLS library problem: error:14094418:SSL routines:ssl3_read_bytes:tlsv1 alert unknown ca:/usr/src/crypto/openssl/ssl/s3_pkt.c:1493:SSL alert number 48: Mar 1 09:27:02 mail submit-tls/smtpd[86118]: lost connection after STARTTLS from localhost[127.0.0.1] Mar 1 09:27:02 mail submit-tls/smtpd[86118]: disconnect from localhost[127.0.0.1] ehlo=1 starttls=0/1 commands=1/2
Sending mail on the submission port outside of roundcube works fine.
Mar 1 09:35:35 mail submit-tls/smtpd[26307]: connect from unknown[24.71.178.2] Mar 1 09:35:36 mail submit-tls/smtpd[26307]: Anonymous TLS connection established from unknown[24.71.178.2]: TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits) Mar 1 09:35:36 mail submit-tls/smtpd[26307]: NOQUEUE: permit: RCPT from unknown[24.71.178.2]: action=permit_sasl_authenticated for Client host=unknown[24.71.178.2] ; from=lbutler@covisp.net to=user@example.net proto=ESMTP helo=<[10.0.2.45]> Mar 1 09:35:36 mail last message repeated 2 times Mar 1 09:35:36 mail submit-tls/smtpd[26307]: 3zsdMr46Q6zbRf3: client=unknown[24.71.178.2], sasl_method=PLAIN, sasl_username=lbutler