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-rw-r--r--Bugzilla/MIME.pm2
1 files changed, 2 insertions, 0 deletions
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');