On Sep 13, 2013, at 23:51, Mathieu R. <math...@400iso.net> wrote: > Le 13/09/2013 23:26, Viktor Dukhovni a écrit : >> If your traffic volume is not too heavy, you can temporarily raise >> the Postfix SMTP server TLS log level to "2": >> >> smtpd_tls_loglevel = 2 >> >> this will show more details of the TLS handshake. > > not very much more : > > Sep 13 23:33:09 effraie01 postfix/smtpd[25221]: connect from > ng4.bullet.mail.bf1.yahoo.com[98.139.164.99] > Sep 13 23:33:44 effraie01 postfix/smtpd[25221]: SSL_accept error from > ng4.bullet.mail.bf1.yahoo.com[98.139.164.99] lost connection > Sep 13 23:33:44 effraie01 postfix/smtpd[25221]: lost connection after > STARTTLS from ng4.bullet.mail.bf1.yahoo.com[98.139.164.99] > Sep 13 23:33:44 effraie01 postfix/smtpd[25221]: disconnect from > ng4.bullet.mail.bf1.yahoo.com[98.139.164.99]
Hmm, we have the same Postfix version, also on Debian, and we are seeing disconnects at the postscreen level from that IP address; == 2013-09-13T23:58:41.766924+02:00 nenya postfix/tlsproxy[3731]: CONNECT from [98.139.164.99]:33900 2013-09-13T23:58:47.542529+02:00 nenya postfix/tlsproxy[3731]: DISCONNECT [98.139.164.99]:33900 2013-09-13T23:58:47.542674+02:00 nenya postfix/postscreen[3698]: HANGUP after 35 from [98.139.164.99]:33900 in tests after SMTP handshake 2013-09-13T23:58:47.542682+02:00 nenya postfix/postscreen[3698]: DISCONNECT [98.139.164.99]:33900 == It seems to have been doing that since earlier this evening; == 2013-09-13T19:33:34.126969+02:00 nenya postfix/postscreen[15218]: HANGUP after 73 from [98.139.164.99]:39792 in tests after SMTP handshake 2013-09-13T19:52:04.971145+02:00 nenya postfix/postscreen[15218]: HANGUP after 33 from [98.139.164.99]:30926 in tests after SMTP handshake 2013-09-13T20:01:54.029206+02:00 nenya postfix/postscreen[15218]: HANGUP after 27 from [98.139.164.99]:42963 in tests after SMTP handshake 2013-09-13T20:12:31.720843+02:00 nenya postfix/postscreen[15218]: HANGUP after 28 from [98.139.164.99]:46613 in tests after SMTP handshake [snip] 2013-09-13T23:43:41.362443+02:00 nenya postfix/postscreen[15218]: HANGUP after 29 from [98.139.164.99]:20120 in tests after SMTP handshake 2013-09-13T23:48:44.737948+02:00 nenya postfix/postscreen[15218]: HANGUP after 33 from [98.139.164.99]:26140 in tests after SMTP handshake 2013-09-13T23:53:41.682549+02:00 nenya postfix/postscreen[3698]: HANGUP after 30 from [98.139.164.99]:30328 in tests after SMTP handshake 2013-09-13T23:58:47.542674+02:00 nenya postfix/postscreen[3698]: HANGUP after 35 from [98.139.164.99]:33900 in tests after SMTP handshake == Without delivering anything. Other Yahoo MTAs seem to be fine, it's just this one that's showing this particular behaviour as far as I've been able to tell from a quick scouring of the logs for Friday. HTH, Joni