X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/afda344b580b54a4513569720aec3260cd5ba546..c7955b11ec2f588b346b0bcdbd1e2fa1b55b1630:/test/mail/0233.postmaster

diff --git a/test/mail/0233.postmaster b/test/mail/0233.postmaster
index ce0986b1e..6c0b1ff4e 100644
--- a/test/mail/0233.postmaster
+++ b/test/mail/0233.postmaster
@@ -5,6 +5,7 @@ Received: from CALLER by myhost.test.ex with local (Exim x.yz)
 To: postmaster@myhost.test.ex
 Subject: System filter has frozen
 In-Reply-To: <E10HmaX-0005vi-00@myhost.test.ex>
+References: <E10HmaX-0005vi-00@myhost.test.ex>
 Auto-Submitted: auto-replied
 Message-Id: <E10HmaY-0005vi-00@myhost.test.ex>
 From: CALLER_NAME <CALLER@myhost.test.ex>