Cryptographic Algorithm and Key Usage to DKIM

Document Type Replaced Internet-Draft (individual)
Author Scott Kitterman 
Last updated 2017-05-19
Replaced by RFC 8301
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


The cryptographic algorithm and key size requirements included when DKIM was designed in the last decade are functionally obsolete and in need of immediate revision. This document updates DKIM requirements to those minimaly suitable for operation with currently specified algorithms. This document updates RFC 6376.


Scott Kitterman (

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