To: recipient@testcertificates.gov
From: sender@testcertificates.gov
Subject: Valid Basic Self-Issued Old With New Test1
MIME-Version: 1.0
Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg="sha-256"; boundary="----0EBC5645AB531D252C09D86A76FCB22C"

This is an S/MIME signed message

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Content-Type: text/plain

This is a sample signed message.

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

[encoded data, 5850 characters]
nKHcpV91ynGexz4D+Z6ALO2UywK8B4i3/52Xf4M=

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