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>
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Message-Id: <E10HmaY-0005vi-00@myhost.test.ex>
From: CALLER_NAME <CALLER@myhost.test.ex>