[SA-exim] greylistnullfrom problems.

[Michael Heiming]

Marc MERLIN wrote:
> On Thu, Dec 21, 2006 at 08:44:11AM +0100, Michael Heiming wrote:
>> Hi!
>>
>> Strange problem with greylistnullfrom, which is set to (local.cf):
>>
>> [..];'greylistnullfrom' => '0';[..]
>>
>> Running:
>>
>> Greylisting.pm,v 1.4 2006/01/11 17:17:28 marcmerlin Exp $
>>
>> exim/exim-sa version (rpm):
>>
>> exim-sa-4.43-1.RHEL4.5
>> exim-4.43-1.RHEL4.5
>>
>> The problem it does actually greylist "F=<>" Null sender, despite it 
>> shouldn't from how I understood the configuration. Which might not be 
>> that bad with the recent raise of ratware, though it looks like it 
>> doesn't get whitelisted even if the remote MTA is resending in time. 
>> Though >99,99% of all mails with the null sender pass just fine due to 
>> none or very low SA score.
>>
>> Running with "Debug: 9" in sa-exim.conf didn't revealed any clue why 
>> null sender are being greylisted.
> 
> You can take a mail like this, save it to disk, and run
> spamassassin -t -D < /tmp/mail
> This will give you more clue as to what's happening, and you can add some
> printfs in Greylisting.pm to see what code you're hitting and what's
> happening.
> 
> Hope this helps.

Hi Marc!

Indeed, many thx for the pointer. Strange that the most obvious didn't 
occur to me, go figure...;( I'll check this out and see what I get.

Best regards

Michael
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