+1999-03-02 09:44:33 10HmaZ-0005vi-00 DKIM: d=test.ex s=sel c=simple/simple a=rsa-sha256 b=1024 [verification succeeded]
+1999-03-02 09:44:33 10HmaZ-0005vi-00 signer: test.ex bits: 1024
+1999-03-02 09:44:33 10HmaZ-0005vi-00 <= CALLER@bloggs.com H=(xxx) [127.0.0.1] P=smtp S=sss id=qwerty1234@disco-zombie.net