Hi,
Jun 15 10:40:51 smtp sendmail[34992]: u5A9ndhn031876: to=<***@dp.ru>, delay=4+21:51:12, xdelay=00:00:00, mailer=esmtp, pri=10789329, relay=mx2.dp.ru. [84.204.80.67], dsn=4.7.1, stat=Deferred: 450 4.7.1 <smtp.brain-games.ru>: Helo command rejected: Host not found
Jun 15 10:40:51 smtp sendmail[34992]: u5A9ndhn031876: to=<***@dp.ru>, delay=4+21:51:12, xdelay=00:00:00, mailer=esmtp, pri=10789329, relay=mx1.dp.ru. [84.204.203.234], dsn=4.7.1, stat=Deferred: 450 4.7.1 <smtp.brain-games.ru>: Helo command rejected: Host not found
smtp.brain-games.ru - my FQDN
[root@smtp etc]# ping 84.204.80.67
PING 84.204.80.67 (84.204.80.67) 56(84) bytes of data.
64 bytes from 84.204.80.67: icmp_seq=1 ttl=59 time=3.24 ms
64 bytes from 84.204.80.67: icmp_seq=2 ttl=59 time=2.65 ms
64 bytes from 84.204.80.67: icmp_seq=3 ttl=59 time=2.64 ms
--- 84.204.80.67 ping statistics ---
6 packets transmitted, 6 received, 0% packet loss, time 5009ms
rtt min/avg/max/mdev = 2.643/2.842/3.244/0.210 ms
[root@smtp etc]# ping 84.204.203.234
PING 84.204.203.234 (84.204.203.234) 56(84) bytes of data.
64 bytes from 84.204.203.234: icmp_seq=1 ttl=59 time=3.15 ms
64 bytes from 84.204.203.234: icmp_seq=2 ttl=59 time=3.82 ms
64 bytes from 84.204.203.234: icmp_seq=3 ttl=59 time=4.50 ms
--- 84.204.203.234 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 3.158/3.827/4.504/0.554 ms
Help please, why HOST NOT FOUND. Other letter addresses reach
Jun 15 11:29:09 smtp sendmail[38987]: u5F8T80T038979: to=<*****@yandex.ru>, delay=00:00:01, xdelay=00:00:01, mailer=esmtp, pri=124135, relay=mx.yandex.ru. [87.250.250.89], dsn=2.0.0, stat=Sent (Ok: queued on mxfront2m.mail.yandex.net as 1465979350-owgLHme2Oc-T9oeKTOB)