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S/MIME Working Group - http://www.imc.org/ietf-smime/
The resource site of IETF S/MIME working group, with links to draft specifications. (Internet Mail Consortium) |
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S/MIME Freeware Library (SFL) - http://www.digitalnet.com/knowledge/sfl_home.htm
An open source implementation of the IETF S/MIME v3 RFC 3369 Cryptographic Message Syntax (CMS) and RFC 2634 Enhanced Security Services (ESS) specifications. |
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SMIME.org - http://www.smime.org/
Promotes email encryption usage, by providing help and references to email encryption products and standards. |
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Secure MIME (S/MIME) - http://www.securemime.com
Comparison between OpenPGP and S/MIME, plus the RFC's that relate to the Secure MIME standard. |