MIME-Version: 1.0 Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg="sha-256"; boundary="----DA7C0B64AB4D78BAFBED70C0FA340877" This is an S/MIME signed message ------DA7C0B64AB4D78BAFBED70C0FA340877 This is a test ------DA7C0B64AB4D78BAFBED70C0FA340877 Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" ------DA7C0B64AB4D78BAFBED70C0FA340877--