Am 29.04.2014 21:52, schrieb leam hall: > It looks like the upstream relay (9.8.7.6) is trying to contact the > client. Does Postfix need DNS to resolve mail to be forwarded?
yes until you do not have fixed transports how else should it resolve the destination? > Apr 29 15:37:26 client sendmail[15767]: s3TJbQGQ015767: from=root, > size=47, class=0, nrcpts=1, > msgid=<201404291937.s3tjbqgq015...@client.example.com> > , relay=root@localhost > Apr 29 15:37:26 client sendmail[15767]: s3TJbQGQ015767: from=root, > size=47, class=0, nrcpts=1, > msgid=<201404291937.s3tjbqgq015...@client.example.com> > , relay=root@localhost > Apr 29 15:37:26 client sendmail[15767]: s3TJbQGQ015767: > to=l...@example.com, ctladdr=root (0/0), delay=00:00:00, > xdelay=00:00:00, mailer=relay, pri=3 > 0047, relay=2.3.4.5, dsn=5.1.2, stat=Host unknown (Name server: > 2.3.4.5: host not found) > Apr 29 15:37:26 client sendmail[15767]: s3TJbQGQ015767: > to=l...@example.com, ctladdr=root (0/0), delay=00:00:00, > xdelay=00:00:00, mailer=relay, pri=3 > 0047, relay=2.3.4.5, dsn=5.1.2, stat=Host unknown (Name server: > 2.3.4.5: host not found) > Apr 29 15:37:26 client sendmail[15767]: s3TJbQGQ015767: > s3TJbQGR015767: DSN: Host unknown (Name server: 2.3.4.5: host not > found) > Apr 29 15:37:26 client sendmail[15767]: s3TJbQGQ015767: > s3TJbQGR015767: DSN: Host unknown (Name server: 2.3.4.5: host not > found) > Apr 29 15:37:26 client postfix/smtpd[15771]: connect from > localhost.localdomain[127.0.0.1] > Apr 29 15:37:26 client postfix/smtpd[15771]: connect from > localhost.localdomain[127.0.0.1] > Apr 29 15:37:26 client postfix/smtpd[15771]: E7506300039: > client=localhost.localdomain[127.0.0.1] > Apr 29 15:37:26 client postfix/smtpd[15771]: E7506300039: > client=localhost.localdomain[127.0.0.1] > Apr 29 15:37:26 client postfix/cleanup[15773]: E7506300039: > message-id=<201404291937.s3tjbqgr015...@client.example.com> > Apr 29 15:37:26 client postfix/cleanup[15773]: E7506300039: > message-id=<201404291937.s3tjbqgr015...@client.example.com> > Apr 29 15:37:27 client postfix/qmgr[8727]: E7506300039: from=<>, > size=2255, nrcpt=1 (queue active) > Apr 29 15:37:27 client postfix/qmgr[8727]: E7506300039: from=<>, > size=2255, nrcpt=1 (queue active) > Apr 29 15:37:27 client sendmail[15767]: s3TJbQGR015767: to=root, > delay=00:00:01, xdelay=00:00:01, mailer=relay, pri=31071, > relay=[127.0.0.1] [127.0.0 > .1], dsn=2.0.0, stat=Sent (Ok: queued as E7506300039) > Apr 29 15:37:27 client sendmail[15767]: s3TJbQGR015767: to=root, > delay=00:00:01, xdelay=00:00:01, mailer=relay, pri=31071, > relay=[127.0.0.1] [127.0.0 > .1], dsn=2.0.0, stat=Sent (Ok: queued as E7506300039) > Apr 29 15:37:27 client postfix/smtpd[15771]: disconnect from > localhost.localdomain[127.0.0.1] > Apr 29 15:37:27 client postfix/smtpd[15771]: disconnect from > localhost.localdomain[127.0.0.1] > Apr 29 15:37:27 client postfix/smtp[15774]: E7506300039: > to=<r...@client.example.com>, relay=2.3.4.5[2.3.4.5]:25, delay=0.19, > delays=0.07/0.01/0.02/0 > .08, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as 36D5B1E02AE) > Apr 29 15:37:27 client postfix/smtp[15774]: E7506300039: > to=<r...@client.example.com>, relay=2.3.4.5[2.3.4.5]:25, delay=0.19, > delays=0.07/0.01/0.02/0 > .08, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as 36D5B1E02AE) > Apr 29 15:37:27 client postfix/qmgr[8727]: E7506300039: removed > Apr 29 15:37:27 client postfix/qmgr[8727]: E7506300039: removed > Apr 29 15:37:27 client postfix/smtpd[15771]: connect from unknown[9.8.7.6] > Apr 29 15:37:27 client postfix/smtpd[15771]: connect from unknown[9.8.7.6] > Apr 29 15:37:27 client postfix/smtpd[15771]: 33862300039: > client=unknown[9.8.7.6] > Apr 29 15:37:27 client postfix/smtpd[15771]: 33862300039: > client=unknown[9.8.7.6] > Apr 29 15:37:27 client postfix/cleanup[15773]: 33862300039: > message-id=<201404291937.s3tjbqgr015...@client.example.com> > Apr 29 15:37:27 client postfix/cleanup[15773]: 33862300039: > message-id=<201404291937.s3tjbqgr015...@client.example.com> > Apr 29 15:37:27 client postfix/smtpd[15771]: disconnect from unknown[9.8.7.6] > Apr 29 15:37:27 client postfix/smtpd[15771]: disconnect from unknown[9.8.7.6] > > On Tue, Apr 29, 2014 at 1:21 PM, Wietse Venema <wie...@porcupine.org> wrote: >> leam hall: >>>> As root on my new relayhost I can send mail to m...@example.com. Mail >>>> goes through another relay and then hits our system. Using Postfix >>>> 2.6.6. on RHEL 6. >>>> >>>> I have configured a client to send mail through the new relayhost. The >>>> mail gets to the relayhost's maillog with about 16 connect/disconnects >>>> and stanzas like >>>> >>>> connect from unknown[3.4.5.6] >>>> client=unknown[3.4.5.6] >>>> from=<>, size=11652, nrcpt=1 (queue active) >> >> The client [3.4.5.6] is reporting a mail delivery error. >> >>> What I don't get is why the from is blank and the to is root@relayhost >> >> That's because the client [3.4.5.6] is reporting a mail delivery >> error. >> >> To find out why the client [3.4.5.6] reports a delivery error, look >> in the mail logfile on the client