Skip to main content

Privacy Enhancement for Internet Electronic Mail: Part I: Message Encryption and Authentication Procedures
RFC 1421

Revision differences

Document history

Date By Action
2026-05-20
(System) Changed metadata: changed keywords to '['PEM-ENC', 'PEM']' from '[]'
2026-05-20
(System) Metadata update from RFC Editor
2026-05-20
(System) Changed author "J. Linn": changed name from "John Linn" to "J. Linn", cleared affiliation (was "Request for Comments")
2026-05-20
(System) Metadata update from RFC Editor
2017-05-16
(System) Changed document authors from "Steve Dusse, John Linn, Jeff Thompson" to "John Linn"
1993-02-10
(System) Document has expired
1993-02-01
(System) RFC published