From: Bob <bob@example.org>
To: Carol <carol@example.net>
Subject: Fwd: Contract draft
Date: Wed, 30 Sep 2026 16:00:00 +0200
Message-ID: <forwarded-encrypted@example.org>
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="mixed"

--mixed
Content-Type: text/plain; charset=utf-8

Carol, see the attached mail from Alice. I cannot open it either.

--mixed
Content-Type: message/rfc822; name="Contract draft.eml"
Content-Disposition: attachment; filename="Contract draft.eml"

From: Alice <alice@example.org>
To: Bob <bob@example.org>
Subject: Contract draft
Date: Wed, 30 Sep 2026 15:00:00 +0200
MIME-Version: 1.0
Content-Type: application/pkcs7-mime; smime-type=enveloped-data; name="smime.p7m"
Content-Transfer-Encoding: base64

zlGMgNELl9LKl3ZqEAZiUb2iQ0gjGWstE4xBJhJRHlmvLDc8a+h2ljICBmaQ6GRh+qSEQeV5fRY8

--mixed--