To: cert@example.com
From: Sebastian Wagner <wagner@cert.at>
Subject: foobar zip
Message-ID: <07ce0153-060b-f48d-73d9-d92a20b3b3aa@cert.at>
Date: Tue, 3 Sep 2019 16:57:40 +0200
MIME-Version: 1.0
Content-Type: multipart/mixed;
 boundary="------------1D845FBEEAAC1F68B4B45905"
Content-Language: en-US

This is a multi-part message in MIME format.
--------------1D845FBEEAAC1F68B4B45905
Content-Type: text/html; charset=utf-8
Content-Transfer-Encoding: 8bit

<html>
  <head>

    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
  </head>
  <body text="#000000" bgcolor="#FFFFFF">
    Please look at the attachment<br>
  </body>
</html>

--------------1D845FBEEAAC1F68B4B45905
Content-Type: text/plain; charset=UTF-8;
 name="foobar.txt"
Content-Transfer-Encoding: base64
Content-Disposition: attachment;
 filename="foobar.txt"


--------------1D845FBEEAAC1F68B4B45905--
