return 0;
}
-# RFC2919
sub set_list_headers {
my ($class, $simple, $dst) = @_;
my $pa = $dst->{-primary_address};
- $simple->header_set("List-Id", "<$pa>");
- # prevent training loops
- $simple->header_set('Delivered-To');
+ $simple->header_set("List-Id", "<$pa>"); # RFC2919
+
+ # remove Delivered-To: prevent training loops
+ # The rest are taken from Mailman 2.1.15, some may be used for phishing
+ foreach my $h (qw(delivered-to approved approve x-approved x-approve
+ urgent return-receipt-to disposition-notification-to
+ x-confirm-reading-to x-pmrqc)) {
+ $simple->header_set($h);
+ }
+
+ # Remove any "DomainKeys" (or similar) header lines.
+ # Any modifications (including List-Id) will cause a message
+ # to appear invalid
+ foreach my $h (qw(domainkey-signature dkim-signature
+ authentication-results)) {
+ $simple->header_set($h);
+ }
}
# returns a 3-element array: name, email, date