From 949e4c1c5931fb4428a93f1c05e9b666a2d608ca Mon Sep 17 00:00:00 2001
From: Evgeny Khramtsov <ekhramtsov@process-one.net>
Date: Mon, 29 Jul 2019 22:45:38 +0300
Subject: [PATCH] Generate 'remote-server-not-found' stanza error for non-IDN
 domains

Fixes #2969
---
 src/ejabberd_s2s_out.erl | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/ejabberd_s2s_out.erl b/src/ejabberd_s2s_out.erl
index 57d8a6267..40ece0f7b 100644
--- a/src/ejabberd_s2s_out.erl
+++ b/src/ejabberd_s2s_out.erl
@@ -367,9 +367,11 @@ mk_bounce_error(Lang, #{stop_reason := Why}) ->
 	    xmpp:err_resource_constraint(Reason, Lang);
 	{dns, _} ->
 	    xmpp:err_remote_server_not_found(Reason, Lang);
-					     _ ->
+	{idna, _} ->
+	    xmpp:err_remote_server_not_found(Reason, Lang);
+	_ ->
 	    xmpp:err_remote_server_timeout(Reason, Lang)
-	  end;
+    end;
 mk_bounce_error(_Lang, _State) ->
     %% We should not be here. Probably :)
     xmpp:err_remote_server_not_found().