From: NextPocket Example <sender@example.invalid>
To: Sample Reader <reader@example.invalid>
Date: Sun, 25 Oct 2026 12:00:00 +0000
Message-ID: <nextpocket-03-20261025@example.invalid>
Subject: NP-03 =?utf-8?b?4oCU?= Three objects
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="NextPocket-Attachment-20261025"

--NextPocket-Attachment-20261025
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: 7bit

Attached: objects.csv
Expected: a header plus pencil (2), notebook (1), cup (1).
Fictional sample content from NextPocket.

--NextPocket-Attachment-20261025
Content-Type: text/csv
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="objects.csv"
MIME-Version: 1.0

aXRlbSxxdWFudGl0eQ0KcGVuY2lsLDINCm5vdGVib29rLDENCmN1cCwxDQo=

--NextPocket-Attachment-20261025--