Content-Type: application/pkcs7-mime; name=smime.p7m;
 smime-type=enveloped-data; charset=binary
Content-Description: Enveloped Data
Content-Disposition: attachment; filename=smime.p7m
Content-Transfer-Encoding: base64
From: sender@example.com
To: recipient@example.com
Subject: Example S/MIME encrypted message
Date: Wed, 05 Jul 2023 16:56:51 +0000
Message-Id: <1688576211108-75f56039-4928621b-2531f4e3@example.com>
MIME-Version: 1.0

MIAGCSqGSIb3DQEHA6CAMIACAQIxggESoYIBDgIBA6BboVkwEwYHKoZIzj0CAQYIKoZIzj0DAQcD
QgAEBr5gHceD5gxmmhCaCupJ+0TnFn/vm0TXBcaotgxbFOuwI03HtqOIMBQ8FQWjgF9N4ZCRayJ/
lAkZnFCKgpTZwKFCBEAyVS5ME5e2zV8LYpkonemM74vQ06n6QSTfk82DOjupLKkS+TdO6fD1N8PV
z6EywlLSvpu2WlDuYtgYdWFVn4bCMBUGBiuBBAELAzALBglghkgBZQMEAS0wUTBPMCMwHjEcMAkG
A1UEBhMCUlUwDwYDVQQDHggAVABlAHMAdAIBAQQo5R+JcT2bKBatrMAiXm3Vnx6piaDD95+z3eL4
QoX++G3d96h/7NhktTCABgkqhkiG9w0BBwEwHQYJYIZIAWUDBAEqBBBtjBiaH1DctRDATPhA9yE6
oIAEIE3oFRbx3GJ5hVLEhcDRA0iBEyPjQ2TWmSKADaqGpWKOAAAAAAAAAAAAAA==