From: Jonathan Smith <jsmith@example.com>
To: Craig Jennings <craig@example.com>
Subject: Empty Body Test
Date: Thu, 05 Feb 2026 11:36:00 -0600
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="boundary456"
Received: from mail-sender.example.com by mx.receiver.example.com with ESMTP; Thu, 05 Feb 2026 11:36:05 -0600

--boundary456
Content-Type: application/octet-stream; name="data.bin"
Content-Disposition: attachment; filename="data.bin"
Content-Transfer-Encoding: base64

AQIDBA==

--boundary456--