44 lines
1.2 KiB
Plaintext
44 lines
1.2 KiB
Plaintext
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sub register {
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my ($self, $qp) = @_;
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$self->register_hook("mail", "mail_handler");
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$self->register_hook("rcpt", "rcpt_handler");
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}
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sub mail_handler {
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my ($self, $transaction, $sender) = @_;
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# lookup the address here; but always just return DECLINED
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# we will store the state for rejection when rcpt is being run, some
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# MTAs gets confused when you reject mail during MAIL FROM:
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#
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# If we were really clever we would do the lookup in the background
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# but that must wait for another day. (patches welcome! :-) )
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if ($sender->format ne "<>" and $self->qp->config('rhsbl_zones')) {
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my %rhsbl_zones = map { (split /\s+/, $_, 2)[0,1] } $self->qp->config('rhsbl_zones');
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my $host = $sender->host;
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for my $rhsbl (keys %rhsbl_zones) {
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$transaction->notes('rhsbl', "Mail from $host rejected because it $rhsbl_zones{$rhsbl}")
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if check_rhsbl($self, $rhsbl, $host);
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}
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}
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return DECLINED;
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}
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sub rcpt_handler {
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my ($self, $transaction, $rcpt) = @_;
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my $note = $transaction->notes('rhsbl');
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return (DENY, $note) if $note;
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return DECLINED;
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}
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sub check_rhsbl {
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my ($self, $rhsbl, $host) = @_;
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return 0 unless $host;
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$self->log(2, "checking $host in $rhsbl");
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return 1 if ((gethostbyname("$host.$rhsbl"))[4]);
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return 0;
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}
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