+# -mda defaults to the strict base filter which we won't use anywhere else
+sub mda_filter_adjust ($) {
+ my ($ibx) = @_;
+ my $fcfg = $ibx->{filter} || '';
+ if ($fcfg eq '') {
+ $ibx->{filter} = 'PublicInbox::Filter::Base';
+ } elsif ($fcfg eq 'scrub') { # legacy alias, undocumented, remove?
+ $ibx->{filter} = 'PublicInbox::Filter::Mirror';
+ }
+}
+
+my @rejects;
+for my $ibx (@$dests) {
+ mda_filter_adjust($ibx);
+ my $filter = $ibx->filter;
+ my $mime = PublicInbox::MIME->new($str);
+ my $ret = $filter->delivery($mime);
+ if (ref($ret) && $ret->isa('Email::MIME')) { # filter altered message
+ $mime = $ret;
+ } elsif ($ret == PublicInbox::Filter::Base::IGNORE) {
+ next; # nothing, keep looping
+ } elsif ($ret == PublicInbox::Filter::Base::REJECT) {
+ push @rejects, $filter->err;
+ next;
+ }