From: Sender Example <sender@example.com>
To: Receiver Example <receiver@example.com>
Subject: Sample mail with filesystem-loaded attachments
Date: Tue, 18 Mar 2026 15:27:59 +0100
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="boundary42"

--boundary42
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

Hello from the filesystem-backed sample message.
This mail has one text attachment and one old Excel attachment.

--boundary42
Content-Type: text/plain; charset=UTF-8; name="notes.txt"
Content-Disposition: attachment; filename="notes.txt"
Content-Transfer-Encoding: quoted-printable

These are the attachment notes.

--boundary42
Content-Type: application/vnd.ms-excel; name="legacy.xls"
Content-Disposition: attachment; filename="legacy.xls"
Content-Transfer-Encoding: base64

0M8R4KGxGuEAAAAAAAAAAEZBS0VYTFM=
--boundary42--
