--- /dev/null
+From CALLER@myhost.test.ex Tue Mar 02 09:44:33 1999
+Received: from the.local.host.name ([ip4.ip4.ip4.ip4] helo=myhost.test.ex)
+ by myhost.test.ex with esmtp (Exim x.yz)
+ (envelope-from <CALLER@myhost.test.ex>)
+ id 10HmaY-0005vi-00
+ for a@test.ex; Tue, 2 Mar 1999 09:44:33 +0000
+DKIM-Signature: v=1; a=ed25519-sha256; q=dns/txt; c=relaxed/relaxed; d=test.ex
+ ; s=sed; h=From:To:Subject; bh=/Ab0giHZitYQbDhFszoqQRUkgqueaX9zatJttIU/plc=;
+ b=5fhyD3EILDrnL4DnkD4hDaeis7+GSzL9GMHrhIDZJjuJ00WD5iI8SQ1q9rDfzFL/Kdw0VIyB4R
+ Dq0a4H6HI+Bw==;
+Received: from CALLER by myhost.test.ex with local (Exim x.yz)
+ (envelope-from <CALLER@myhost.test.ex>)
+ id 10HmaX-0005vi-00
+ for a@test.ex; Tue, 2 Mar 1999 09:44:33 +0000
+From: nobody@example.com
+Message-Id: <E10HmaX-0005vi-00@myhost.test.ex>
+Sender: CALLER_NAME <CALLER@myhost.test.ex>
+Date: Tue, 2 Mar 1999 09:44:33 +0000
+
+content
+