On 6/1/2015 4:19 PM, @lbutlr wrote: > A user at a Starbucks is trying to send mail and getting an error on sending. > This is what I see in the logs: > > Jun 1 15:09:08 mail submit-tls/smtpd[88479]: warning: hostname > 50-253-97-91-static.hfc.comcastbusiness.net does not resolve to address > 50.253.97.91: hostname nor servname provided, or not known > Jun 1 15:09:08 mail submit-tls/smtpd[88479]: connect from > unknown[50.253.97.91] > Jun 1 15:09:08 mail submit-tls/smtpd[88479]: SSL_accept error from > unknown[50.253.97.91]: lost connection > Jun 1 15:09:08 mail submit-tls/smtpd[88479]: lost connection after STARTTLS > from unknown[50.253.97.91] > Jun 1 15:09:08 mail submit-tls/smtpd[88479]: disconnect from > unknown[50.253.97.91] > > and this is what I have for submission: > > submission inet n - n - - smtpd > -o smtpd_tls_security_level=encrypt > -o smtpd_sasl_auth_enable=yes > -o smtpd_sasl_type=dovecot > -o smtpd_sasl_security_options=noanonymous > -o smtpd_sasl_path=private/auth > -o smtpd_client_restrictions=permit_sasl_authenticated,reject > -o smtpd_data_restrictions= > -o > smtpd_relay_restrictions=permit_sasl_authenticated,reject_unauth_destination,reject > -o smtpd_helo_restrictions= > -o > smtpd_recipient_restrictions=permit_sasl_authenticated,reject_unauth_destination,reject > -o syslog_name=submit-tls > > Is there anything that I have set that is causing this to fail? (My own > connection is also a Comacastbusiness.net IP, and I connect without issues). >
This looks as if the client and the server don't have a common cipher enabled. What are your postconf -n settings? Do you know what the client software and OS are? -- Noel Jones