To: recipient@testcertificates.gov
From: sender@testcertificates.gov
Subject: Invalid DN nameConstraints Test15
MIME-Version: 1.0
Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg="sha-256"; boundary="----AF54D6201F7B70C03F7BE453EC297C0A"

This is an S/MIME signed message

------AF54D6201F7B70C03F7BE453EC297C0A
Content-Type: text/plain

This is a sample signed message.

------AF54D6201F7B70C03F7BE453EC297C0A
Content-Type: application/pkcs7-signature; name="smime.p7s"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="smime.p7s"

[encoded data, 6695 characters]
WdczXpUIoMWI0nAd8qGNiRSrZFUVmj8=

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