MailScanner suddenly stopped working and screwed up everything

Glenn Steen glenn.steen at gmail.com
Sat Feb 7 18:58:20 GMT 2009


2009/2/7 jan gestre <ipcopper.ph at gmail.com>:
> On Fri, Feb 6, 2009 at 10:56 PM, Martin Hepworth <maxsec at gmail.com> wrote:
>> 2009/2/6 jan gestre <ipcopper.ph at gmail.com>:
>>> Hi Guys,
>>>
>>> I've several mail servers running (postfix + dovecot + mysql +
>>> mailscanner) that has been up for a long time now and suddenly it
>>> stopped working one by one. It began by users experiencing bouncing
>>> emails even though the user exist then it became worst, all emails is
>>> now being tagged as spam even those from yahoo and gmail. I suspect
>>> MailScanner might be causing the issue so I turned it off but the
>>> server keep on rejecting emails because of postfix's
>>> smtpd_client_restrictions rule that blocks emails if it came from an
>>> ip address listed on spamhaus.org, but after disabling that parameter
>>> emails from sites like yahoo and gmail still gets blocked according to
>>> postfix it's listed in sbl-xbl list, I know for a fact that this
>>> shouldn't suppose to happen but it did. Anybody ever experienced this?
>>> What's the workaround, I'm stumped, I have no idea why it suddenly got
>>> screwed.
>>>
>>> TIA
>>>
>>> Jan
>>> --
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>>>
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>>>
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>>>
>>
>> Jan
>>
>> do you pay for the spamhaus feed? If not this could be the problem..
>>
>> http://www.spamhaus.org/organization/dnsblusage.html
>>
>
> I've read the dnsblusage from spamhaus and I'm sure the volume of
> emails we're getting is nowhere near that number. Here's an info of
But if you use a forwarder for your lookups, that one might have been
blocked by them. Did you check if a manual lookup works?
(snip)

Cheers
-- 
-- Glenn
email: glenn < dot > steen < at > gmail < dot > com
work: glenn < dot > steen < at > ap1 < dot > se


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