Arghhh! I apologise for the uncovered log file, I didn't noticed I double pasted it...
Sorry. On 2015-05-11 18:48, Specktator wrote: > Hi, > > I'm more or less new to postmastering and I'm facing some errors > displayed below. > > I reached the fellow postmaster of the receiving server and he said > that recipient address verification could cause the problem and > attached for me his postfix error log. > >> May 6 22:39:17 receivingmailserver postfix/smtpd[37426]: too many >> errors after RCPT from mail.example.com[4.2.3.1] > > Since I'm not familiar with recipient address verification, I've read > the docs though, but can't clearly understand / decide if the error > comes from recipient verification probing or something else. Is it > good to have it or it should be disabled it? > > Which is the best practice? > >> Here's my log: >> >> May 6 22:19:16 mail postfix/smtp[3857]: C3433140E0F: host >> mail.example.com[] said: 450 4.2.0 <us...@med.example.com>: >> Recipient address rejected: Greylisted, see >> http://postgrey.schweikert.ch/help/med.example.com.html (in reply to >> RCPT TO command) >> May 6 22:19:16 mail postfix/smtp[3857]: C3433140E0F: host >> mail.example.com[1.2.3.4] said: 421 4.7.0 mail.example.com Error: >> too many errors (in reply to RCPT TO command) >> May 6 22:19:16 mail postfix/smtp[3857]: C3433140E0F: lost connection >> with mail.example.com[1.2.3.4] while sending DATA command >> May 6 22:39:17 mail postfix/smtp[4443]: C3433140E0F: >> to=<us...@med.example.com>, relay=mail.example.com[1.2.3.4]:25, >> delay=3983, delays=3980/0.03/2/0.41, dsn=4.2.0, status=deferred >> (host mail.example.com[1.2.3.4] said: 450 4.2.0 >> <us...@med.example.com>: Recipient address rejected: Greylisted, see >> http://postgrey.schweikert.ch/help/med.example.com.html (in reply to >> RCPT TO command)) >> May 6 22:39:17 mail postfix/smtp[4443]: C3433140E0F: >> to=<us...@med.example.com>, relay=mail.example.com[1.2.3.4]:25, >> delay=3983, delays=3980/0.03/2/0.41, dsn=4.7.0, status=deferred >> (host mail.example.com[1.2.3.4] said: 421 4.7.0 mail.example.com >> Error: too many errors (in reply to DATA command)) >> May 6 22:39:17 mail postfix/smtp[4443]: C3433140E0F: >> to=<us...@med.example.com>, relay=mail.example.com[1.2.3.4]:25, >> delay=3983, delays=3980/0.03/2/0.41, dsn=4.7.0, status=deferred >> (host mail.example.com[1.2.3.4] said: 421 4.7.0 mail.example.com >> Error: too many errors (in reply to DATA command)) >> May 6 22:39:17 mail postfix/smtp[4443]: C3433140E0F: >> to=<us...@med.example.com>, relay=mail.example.com[1.2.3.4]:25, >> delay=3983, delays=3980/0.03/2/0.41, dsn=4.7.0, status=deferred >> (host mail.example.com[1.2.3.4] said: 421 4.7.0 mail.example.com >> Error: too many errors (in reply to DATA command)) >> May 6 22:39:17 mail postfix/smtp[4443]: C3433140E0F: >> to=<us...@med.example.com>, relay=mail.example.com[1.2.3.4]:25, >> delay=3983, delays=3980/0.03/2/0.41, dsn=4.7.0, status=deferred >> (host mail.example.com[1.2.3.4] said: 421 4.7.0 mail.example.com >> Error: too many errors (in reply to DATA command)) > > Thanks, > > Chris > > May 6 22:19:16 mail postfix/smtp[3857]: C3433140E0F: host mail.duth.gr > [1][192.108.114.110] said: 450 4.2.0 <emano...@med.duth.gr>: Recipient > address rejected: Greylisted, see > http://postgrey.schweikert.ch/help/med.duth.gr.html [2] (in reply to > RCPT TO command) > May 6 22:19:16 mail postfix/smtp[3857]: C3433140E0F: host mail.duth.gr > [1][192.108.114.110] said: 421 4.7.0 mail.duth.gr [1] Error: too many > errors (in reply to RCPT TO command) > May 6 22:19:16 mail postfix/smtp[3857]: C3433140E0F: lost connection > with mail.duth.gr [1][192.108.114.110] while sending DATA command > May 6 22:39:15 mail postfix/smtp[4443]: connect to mail.duth.gr > [1][2001:648:2e80::110]:25: Network is unreachable > May 6 22:39:17 mail postfix/smtp[4443]: C3433140E0F: > to=<gkol...@med.duth.gr>, relay=mail.duth.gr [1][192.108.114.110]:25, > delay=3983, delays=3980/0.03/2/0.41, dsn=4.2.0, status=deferred (host > mail.duth.gr [1][192.108.114.110] said: 450 4.2.0 > <gkol...@med.duth.gr>: Recipient address rejected: Greylisted, see > http://postgrey.schweikert.ch/help/med.duth.gr.html [2] (in reply to > RCPT TO command)) > May 6 22:39:17 mail postfix/smtp[4443]: C3433140E0F: > to=<pol...@med.duth.gr>, relay=mail.duth.gr [1][192.108.114.110]:25, > delay=3983, delays=3980/0.03/2/0.41, dsn=4.7.0, status=deferred (host > mail.duth.gr [1][192.108.114.110] said: 421 4.7.0 mail.duth.gr [1] > Error: too many errors (in reply to DATA command)) > May 6 22:39:17 mail postfix/smtp[4443]: C3433140E0F: > to=<achat...@med.duth.gr>, relay=mail.duth.gr [1][192.108.114.110]:25, > delay=3983, delays=3980/0.03/2/0.41, dsn=4.7.0, status=deferred (host > mail.duth.gr [1][192.108.114.110] said: 421 4.7.0 mail.duth.gr [1] > Error: too many errors (in reply to DATA command)) > May 6 22:39:17 mail postfix/smtp[4443]: C3433140E0F: > to=<atav...@med.duth.gr>, relay=mail.duth.gr [1][192.108.114.110]:25, > delay=3983, delays=3980/0.03/2/0.41, dsn=4.7.0, status=deferred (host > mail.duth.gr [1][192.108.114.110] said: 421 4.7.0 mail.duth.gr [1] > Error: too many errors (in reply to DATA command)) > May 6 22:39:17 mail postfix/smtp[4443]: C3433140E0F: > to=<emano...@med.duth.gr>, relay=mail.duth.gr [1][192.108.114.110]:25, > delay=3983, delays=3980/0.03/2/0.41, dsn=4.7.0, status=deferred (host > mail.duth.gr [1][192.108.114.110] said: 421 4.7.0 mail.duth.gr [1] > Error: too many errors (in reply to DATA command)) > > > > Links: > ------ > [1] http://mail.duth.gr > [2] http://postgrey.schweikert.ch/help/med.duth.gr.html
