Re: [courier-users] Header Re-Writing

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shyam s wrote:
> Yes, I tried to get the mail from stdin. But I didnt get that one.

I think you misunderstood what Gordon was saying. The "xfilter" command
in maildrop pipes the entire message to whatever program you specify.
It then expects to read the message back in from that program. Your
program can then alter the message anyway that it wants.

For example, if you added the following to your maildroprc file:

xfilter "/usr/bin/sed -e '/X-ClamAV-Scanned: Pass/ \
a X-No-Viruses: YEAH' "

Then any time the header "X-Clam-Scanned: Pass" appears in a message,
the line (header) "X-No-Viruses: YEAH" would be added immediately after
it as a new line.

So you should be easily able to create a small script (in bash, perl,
python, ...) which reads your message, changes the headers, and then
spits it back out.

Just remember that the ENTIRE message gets piped to your script, not
just the headers. So make sure that you correctly set up the conditions
in the script which do the rewriting.

HTH

Jeff Jansen
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