Considerations for protecting Email header with S/MIME

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Last updated 2019-04-21 (latest revision 2018-10-18)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document describes best practices for handling of Email header protected by S/MIME. Procedures described in this document are also applicable to OpenPGP.


Alexey Melnikov (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)