-# We may (=will) change the contents and send it multiple times
-# prevent wasteful Message-ID regeneration if it is just for one rcpt
-if (@rcpts>1 && defined(my $msgid=$head->get("Message-ID"))) {
- $head->delete("Message-ID");
- $head->replace("X-LaceMail-sendmail-Message-ID",$msgid);
- }
-