To: recipient@testcertificates.gov
From: sender@testcertificates.gov
Subject: Valid DN nameConstraints Test1
MIME-Version: 1.0
Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg="sha-256"; boundary="----883B338697CBC2C831722A1DAA6B639F"

This is an S/MIME signed message

------883B338697CBC2C831722A1DAA6B639F
Content-Type: text/plain

This is a sample signed message.

------883B338697CBC2C831722A1DAA6B639F
Content-Type: application/pkcs7-signature; name="smime.p7s"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="smime.p7s"

[encoded data, 4680 characters]
tfDKTaVfcO5Wmmc4lYJw

------883B338697CBC2C831722A1DAA6B639F--

