From: mouss (no email)
Date: Mon Feb 26 2007 - 15:52:48 EST
Ralph Seichter wrote:
> Wietse Venema wrote:
>
>
>> Below is an (untested) example for single-instance Postfix.
>>
>
> Thanks, I tested it and it works, so my original question is answered.
> However, during the discussion I got uneasy about replacing message IDs,
> because I it is likely to break message threading on the MUA. I should
> probably add a custom message header based on the ID instead, if I can
> figure out how to check for the combined headers in bounces.
>
> -R
>
>
This will bring you nowhere. there is no point in adding two headers
when one is enough.
if you want the added header to depend on the message-id, you can do
/Message-Id: (.*)/ PREPEND X-Ralph: $1 (blah blah)
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