On 4/26/2017 11:00 PM, Simon Matthews wrote: > I see the following lines in my logs: > Apr 26 20:53:30 xenvps postfix/smtpd[19000]: connect from > mail-sn1nam01on0125.outbound.protection.outlook.com[104.47.32.125] > Apr 26 20:53:30 xenvps postfix/smtpd[19000]: setting up TLS connection > from mail-sn1nam01on0125.outbound.protection.outlook.com[104.47.32.125] > Apr 26 20:53:30 xenvps postfix/smtpd[19000]: SSL_accept error from > mail-sn1nam01on0125.outbound.protection.outlook.com[104.47.32.125]: -1 > Apr 26 20:53:30 xenvps postfix/smtpd[19000]: lost connection after > STARTTLS from > mail-sn1nam01on0125.outbound.protection.outlook.com[104.47.32.125] > Apr 26 20:53:30 xenvps postfix/smtpd[19000]: disconnect from > mail-sn1nam01on0125.outbound.protection.outlook.com[104.47.32.125] > > It looks like some kind of problem negotiating TLS, but other sites > can send me email using TLS with no problems. I am using a > self-signed certificate. > > Any ideas what is wrong and how to fix it? >
A self-signed certificate should not cause problems. TLS problems often happen when one gets too creative with the TLS settings in postfix. Try putting the cipher and protocol settings back to their default. If you need more help, please see: http://www.postfix.org/DEBUG_README.html#mail -- Noel Jones
