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-rw-r--r--lib/PublicInbox/MDA.pm8
1 files changed, 0 insertions, 8 deletions
diff --git a/lib/PublicInbox/MDA.pm b/lib/PublicInbox/MDA.pm
index 8c2d6ed2..25d6ae55 100644
--- a/lib/PublicInbox/MDA.pm
+++ b/lib/PublicInbox/MDA.pm
@@ -70,14 +70,6 @@ sub set_list_headers {
                         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