PGPmail or s/Mime

David Aschkenasy's Avatar

David Aschkenasy

16 Nov, 2012 08:08 PM

What are the differences between PGPmail and S/MIME? Does PGPMail have any advantages?


  1. Support Staff 1 Posted by Luke Le on 20 Nov, 2012 06:19 PM

    Luke Le's Avatar

    Hi David,

    the answer isn't that easy. S/MIME uses SSL as its method for encryption and signing. PGP/MIME (GPGMail is only the plugin for to use PGP/MIME) uses OpenPGP as method for encryption and signing.

    One of the advantages of PGP is, that only the recipient(s) can decrypt your messages, since only they have the secret key to do so.
    With SSL in theory the authority which created your secret key and signed it and all authorities above it could decrypt your messags.

    An advantage of S/MIME is, that it's natively supported by Apple in OS X and on iOS. A disadvantage is that usually S/MIME certificates (keys) are usually pretty expensive.

  2. Steve closed this discussion on 02 Dec, 2012 10:15 AM.

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