From 737cadf1fd840a9e8d83ee22813e7723abdab2ec Mon Sep 17 00:00:00 2001
From: David Carter <dpc22@cam.ac.uk>
Date: Wed, 20 Mar 2024 10:59:38 +0000
Subject: [PATCH] Potential fix for
 https://github.com/sympa-community/sympa/issues/1737

---
 src/cgi/wwsympa.fcgi.in | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/cgi/wwsympa.fcgi.in b/src/cgi/wwsympa.fcgi.in
index a7e730f3d..e7afde703 100644
--- a/src/cgi/wwsympa.fcgi.in
+++ b/src/cgi/wwsympa.fcgi.in
@@ -7732,6 +7732,10 @@ sub do_distribute {
         $spool_mod->remove($handle, action => 'distribute');
     }
 
+    # Don't need to do anything if all messages were filtered out
+    # by the "already_moderated" clause above.
+    return 'modindex' if (@mail_command == 0);
+    
     # Commands are injected into incoming spool directly with "md5"
     # authentication level.
     my $cmd_message = Sympa::Message->new(