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Headers vs. metadata

To: mail-ng@xxxxxxx
Subject: Headers vs. metadata
From: Paul Hoffman / IMC <phoffman@xxxxxxx>
Date: Sun, 1 Feb 2004 16:46:21 -0800
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Folks keep talking about "headers". Headers are a concept from RFC 2822. The next generation of mail protocols do not need to have headers. Metadata in messages can be carried in many ways; headers is just one method (and probably the least interesting).

--Paul Hoffman, Director
--Internet Mail Consortium

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