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.
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)