From 860b0775639d031f0ea954061fe69934177eac81 Mon Sep 17 00:00:00 2001
From: Marko Kohtala <marko.kohtala@gmail.com>
Date: Mon, 3 Oct 2016 10:28:52 -0400
Subject: Bug 1254516 - Emails do not indicate to Exchange that they are
 auto-generated, and so get auto-responses

r=dylan
---
 Bugzilla/MIME.pm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Bugzilla/MIME.pm b/Bugzilla/MIME.pm
index baeaa2ac2..3d8dccbca 100644
--- a/Bugzilla/MIME.pm
+++ b/Bugzilla/MIME.pm
@@ -69,6 +69,8 @@ sub as_string {
     # We add this header to mark the mail as "auto-generated" and
     # thus to hopefully avoid auto replies.
     $self->header_set('Auto-Submitted', 'auto-generated');
+    # Exchange does not respect the Auto-Submitted, but uses this.
+    $self->header_set('X-Auto-Response-Suppress', 'All');
 
     # MIME-Version must be set otherwise some mailsystems ignore the charset
     $self->header_set('MIME-Version', '1.0') if !$self->header('MIME-Version');
-- 
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