[Mimedefang] action_add_header before SpamAssassin

[Michael Faurot]

>> I'm doing some experiments with SPF by using Mail::SPF::Query
>> inside MIMEDefang.  I've run into a snag and I'm not sure if what I'm
>> trying to do is feasible/possible.  In particular, what I'm trying to do
>> is use action_add_header(), within filter_begin(), to add a Received-SPF
>> header before calling spam_assassin_check().

> This won't work.

> action_add_header merely makes a note to ask milter to ask sendmail to
> add the header.  It doesn't actually alter the message as seen by
> SpamAssassin.

Thanks for the explanation and clarification.  I had a suspicion it
wasn't working because of something like this.