From: Terry Carmen (terrycnysupport.com)
Date: Mon Mar 23 2009 - 10:34:39 CDT

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Martin Strand wrote:
> On Mon, 23 Mar 2009 15:28:03 +0100, Terry Carmen <terrycnysupport.com> wrote:
>
>
>> Martin Strand wrote:
>>
>>> Is it possible to make a header_checks rule apply only to a certain client?
>>>
>>> I've got an annoying piece of software which sends messages through Postfix.
>>> This software insists on including a "Sender" header that I wish to filter out with Postfix, but only for this certain client (or the envelope sender, which is always the same)
>>> Unfortunately, fixing the software is not an option :(
>>> Any tips?
>>>
>>>
>> If you want to change the sender's email address for the message, you
>> can use
>>
>> smtp_generic_maps = hash:/etc/postfix/generic
>>
>> In main.cf
>>
>> and add the address translation to
>>
>> /etc/postfix/generic
>>
>> (don't forget to postmap and reload config)
>>
>> If you really want to not deliver it, you can add:
>>
>> badsenderyourdomain.tld error:mail from badsender is not deliverable
>>
>> to your transport table.
>>
>> Terry
>>
>> Terry
>>
>
> No, it's only the "Sender" *header* that's causing problems, not the actual envelope sender.
> I added an IGNORE line to filter out all Sender headers, but I would prefer to only apply that filter to this specific client.
> After reading the header_checks documentation several times I still can't find a way to do this so I'll live with the current workaround for now.
> Thanks anyway!
>
Can you post the bad header?

Terry

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