[Mimedefang] Blacklist_to or spam trap?

[Stefano McGhee]

Jim,
	That IS an interesting solution and I see how it could be more
efficient.  However, I recently started using stream_by_recipient to allow
some users to "opt-out" of SA filtering.  That is, of course, called in
filter_begin.  Your solution involves a change to filter_recipient.  (I
imagine that would involve adding a switch to the init script for MD as
well as defining a filter_recipient function in my mimedefang-filter file.)
I was worried about the filter recipient taking place too late, but
according to the fabulous comments provided at the I top of the filter
file, I see that filter_recipient is called ahead of filter_begin.  This
would seem to work.  I'll give it a try.  Thanks for the code sample.  I'll
look it over and test it.  BTW, isn't the 0 deprecated? :-)

return (0, "Invalid recipient in envelope")

Is it now

return (REJECT, "Invalid recipient in envelope")

Thanks a lot,

Stefano

> Putting this check in as part of SpamAssassin means the 
> whole message
> has to be read and processed because of a bad recipient.  I 
> would think a
> better place to check for this would be in filter_recipient, 
> so that you
> can reject it earlier in the session.  This is untested, but 
> it should do
> what you want:
> 
> @FormerEmployees = qw(user1 user2 user3 user4 user5 user6 
> user7 user8);
> filter_recipient {
>   my ($recipient, $sender, $ip, $hostname, $first, $helo) = @_;
>   foreach $baduser (@FormerEmployees) {
>     if ($recipient =~ /^$baduser\@/) {
>       return (0, "Invalid recipient in envelope")
>     }
>   }
> }
> 
> HTH...
> 
> Jim
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