A word at the outset here: I predict this will come back to bite you
in a most painful way. As Noel suggested, you're going to run afoul
of some clueless spam checks. Some years back I know that Hotmail/MSN
actually *discarded* such mail silently!
Note also that Postfix itself uses Received: headers as a protection
against mail loops. Let's hope you don't get a loop going!
On Fri, Apr 12, 2013 at 05:49:47PM +0300, Geoff Shang wrote:
> Is there any way I can be sure that the special cleanup agent
> is running? I see the socket
> /var/spool/postfix/public/submission_cleanup
It's running. To see what it does:
> master.cf:
> submission_cleanup unix n - - - - cleanup
> # Strip Received: lines from authenticated mail
> -o header_checks=pcre:/etc/postfix/header_checks
-o syslog_name=postfix/submission/cleanup
Every non-default service should have its own syslog_name to enhance
your log searches.
> /etc/postfix/header_checks:
>
> # Remove any Received: headers from authenticated mail.
> /^Received:/ IGNORE
/./ WARN
That might get too noisy in the logs, but at least you will know your
alternate cleanup service is being used.
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