> 2014-09-09 18:16 GMT+01:00 Wietse Venema <[email protected]>:
> > Edwin Marqe:
> >> test-policyd unix - n n - - pipe
> >> flags=F user=dangerous argv=/opt/postfix_policy.php $sender $size
> >> $recipient
> >>
> >> I've noticed that in this case the parameters are indeed forwarded to
> >> the bash script, but Postfix doesn't expect the script to return any
> >> value like 'action=DUNNO', it just assumes the external script will
> >
> > AS DOCUMENTED the pipe(8) daemon receives an exit status from the
> > external command, and optionally receives text on stdout or stderr
> > from the external command.
The pipe(8) daemon DOES NOT implement POLICY PROTOCOL that is
described in SMTPD_POLICY_README.html.
The pipe(8) daemon may be used to implement the CONTENT FILTER
protocol is described in FILTER_README.html.
Edwin Marqe:
> Ok, I just made some tests and this works when the optional text
> starts with 4.x.x or 5.x.x (deferred or rejected), but how to handle
> situations where result should be DUNNO (i.e., passed the filter
> control)? I tried exiting the external script with return code 0, also
> writing DUNNO to the stdout/stderr and the original message just gets
> lost, it never gets the user's inbox.
You are confusing the POLICY PROTOCOL and the CONTENT FILTER
protocol.
Wietse
