learn: set_list_headers on training

This is idempotent, and should actually/really prevent training
loops.

1 files changed, 1 insertions, 0 deletions

diff --git a/public-inbox-learn b/public-inbox-learn
index bb130b21..13b75b76 100755
--- a/public-inbox-learn
+++ b/public-inbox-learn
@@ -56,6 +56,7 @@ foreach my $recipient (keys %dests) {
                 # no checking for errors here, we assume the message has
                 # been reviewed by a human at this point:
                 PublicInbox::Filter->run($mime);
+                PublicInbox::MDA->set_list_headers($mime, $dst);
 
                 my ($name, $email, $date) =
                                 PublicInbox::MDA->author_info($mime);