From: Terry Carmen (terrycnysupport.com)
Date: Mon Mar 23 2009 - 09:28:03 CDT

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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

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