Am 12.12.2011 00:10, schrieb Jim Seymour: > Occasionally I see something like this from ipfilter in > /var/log/messages: > > bge1 @0:24 b <my_outside_ip>,25 -> 89.73.201.168,36545 PR tcp len > 20 40 -AR OUT > > Looking in /var/log/maillog... > > Dec 11 17:47:08 myhost postfix/smtpd[48290]: connect from > unknown[89.73.201.168] > Dec 11 17:47:10 myhost postfix/smtpd[48290]: NOQUEUE: reject: > RCPT from unknown[89.73.201.168]: 450 4.7.1 Client host > rejected: cannot find your reverse hostname, [89.73.201.168]; > from=<a...@carloerbareactifs.com> to=<nngu...@mydom.ain> > proto=ESMTP helo=<89-73-201-168.dynamic.chello.pl> > Dec 11 17:47:11 myhost postfix/smtpd[48290]: lost connection > after DATA from unknown[89.73.201.168] > Dec 11 17:47:11 myhost postfix/smtpd[48290]: disconnect from > unknown[89.73.201.168] > > This particular one occurred seven times in a row, in quick > succession. > > I've searched on this *fairly* seriously and come up with nothing. > Anybody got any idea what this is?
why do you use "reject_unknown_reverse_client_hostname" if you do not like the results of it?
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