I just realized that there is a minor flaw in the courierfilter
implementation of SPF.

The SPF people suggest that a message which doesn't fail the SPF test
should have an extra header added.  For their discussion of this, go
here:  http://spf.pobox.com/newheader.html

But as far as I know, it's not possible to add a header to an email
message from within a courierfilter module, since the message that the
module sees is contained in a temporary file that goes away after the
filtering.  The "real" message is elsewhere and inaccessible to the
filter module.

I know that I can get around this limitation by moving the SPF
processing ouside of courierfilter and to do it within maildrop or its
moral equivalent.  However, I'd like the SPF processing to occur as
early as possible.  Therefore, I'm wondering if anyone has been able to
come up with a way for a courierfilter module to trigger the addition of
an extra header?

Also, I'm hoping that there's some sort of hack^H^H^H^Htrick to get this
behavior that doesn't involve changing the Courier source code.

Any ideas?

-- 
 Lloyd Zusman
 [EMAIL PROTECTED]



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