strange blocking behaviour with zen.spamhaus.org
alex at vidadigital.com.pa
Mon Feb 11 21:53:00 GMT 2013
Sounds about right. I tend to avoid using Norton DNS, OpenDNS or any other
non-compliant DNS service on mail gateways. They're ok for home setups and
web proxies, sometimes. Mail servers require more adherence to standards.
On Mon, Feb 11, 2013 at 3:44 PM, Jerry Benton
<jerry.benton at mailborder.com>wrote:
> I was thinking along similar lines. Not a specific DNS server solution,
> but more along the lines of a DNS or connectivity interruption.
> On Monday, February 11, 2013, Raymond Dijkxhoorn <raymond at prolocation.net>
> > Hai!
> > My bet is that you use opendns as dns server? Correct?
> > Thanks,
> > Raymond Dijkxhoorn, Prolocation
> > Op 11 feb. 2013 om 20:11 heeft "Harondel J. Sibble" <
> mailscanner at pdscc.com> het volgende geschreven:
> >> Anyone using zen.spamhaus.org rbl in MS and at the MTA level, noticing
> >> weirdness over the past say week or so?
> >> Here's a couple of MTA level examples I've been seeing
> >> Feb 11 06:07:14 ranger1 postfix/smtpd: NOQUEUE: reject: RCPT
> >> alias8.phx2-aud-mta-out5.cnet.com[126.96.36.199]: 554 5.7.1 Service
> >> unavailable; Client host [188.8.131.52] blocked using
> >> from=<newsletters at zdnet.online.com> to=<zdnet at pdscc.com> proto=ESMTP
> >> helo=<alias8.phx2-aud-mta-out5.cnet.com>
> >> Feb 11 07:56:19 ranger1 postfix/smtpd: NOQUEUE: reject: RCPT
> >> lists.freeswitch.org[184.108.40.206]: 554 5.7.1 Service unavailable;
> >> host [220.127.116.11] blocked using zen.spamhaus.org;
> >> from=<freeswitch-users-bounces at lists.freeswitch.org> to=<
> help at pdscc.com>
> >> proto=ESMTP helo=<lists.freeswitch.org>
> >> These are from mailing lists primarily, and if I check the ip address
> >> in the mxtoolbox blacklist check or enter the ip at the spamhaus site,
> >> is no listing, WTF????
> >> --
> >> Harondel J. Sibble
> >> Sibble Computer Consulting
> >> Creating Solutions for the small and medium business computer user.
> >> help at pdscc.com (use pgp keyid 0x3AD5C11D) http://www.pdscc.com
> >> Blog: http://www.pdscc.com/blog
> >> (604) 739-3709 (voice)
> >> --
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Alex Neuman van der Hans
Reliant Technologies / Vida Digital
Follow @AlexNeuman on Twitter
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