The Perl Toolchain Summit needs more sponsors. If your company depends on Perl, please support this very important event.
BPS / RT-Extension-CommandByMail-2.01 / etc / handle_action_pass_currentuser.patch 
diff --git a/lib/RT/Interface/Email.pm b/lib/RT/Interface/Email.pm
index 175805d..7ffba8e 100644
--- a/lib/RT/Interface/Email.pm
+++ b/lib/RT/Interface/Email.pm
@@ -248,6 +248,7 @@ sub Gateway {
             Action      => $action,
             Subject     => $Subject,
             Message     => $Message,
+            CurrentUser => $CurrentUser,
             Ticket      => $Ticket,
             TicketId    => $args{ticket},
             Queue       => $SystemQueueObj,