To: recipient@testcertificates.gov
From: sender@testcertificates.gov
Subject: Invalid Missing basicConstraints Test1
MIME-Version: 1.0
Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg="sha-256"; boundary="----F5A8C973A87E3EE3A8565C041092306D"

This is an S/MIME signed message

------F5A8C973A87E3EE3A8565C041092306D
Content-Type: text/plain

This is a sample signed message.

------F5A8C973A87E3EE3A8565C041092306D
Content-Type: application/pkcs7-signature; name="smime.p7s"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="smime.p7s"

[encoded data, 4546 characters]

------F5A8C973A87E3EE3A8565C041092306D--

