To: recipient@testcertificates.gov
From: sender@testcertificates.gov
Subject: Valid DN nameConstraints Test18
MIME-Version: 1.0
Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg="sha-256"; boundary="----5236A587BFBE5E43D5F0DABD034EB7E7"

This is an S/MIME signed message

------5236A587BFBE5E43D5F0DABD034EB7E7
Content-Type: text/plain

This is a sample signed message.

------5236A587BFBE5E43D5F0DABD034EB7E7
Content-Type: application/pkcs7-signature; name="smime.p7s"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="smime.p7s"

[encoded data, 6630 characters]
6IZ56JmoufIUOA+c4Zw=

------5236A587BFBE5E43D5F0DABD034EB7E7--

