[Mimedefang] Per domain filtering

[Kevin A. McGrail]

Kelson & Alain,

> Also in filter_begin, before you do any scanning but after
> stream_by_domain, set a flag like $dont_filter.  Then wrap each call to a
> virus or spam scanner with "if (!$dont_filter) { ... }"

I believe this will fail because I thought that other subroutines can
actually be run by other multiplexor children.  The flag as to be set in the
sub filter routine to the best of my knowledge.

KAM