> Is this standard S/MIME eg. to expected that every S/MIME kompatibel > client out there is able to "restore" the subject from encrypted > mail? So it would work to place in a dummy subject for every > encrypted mail to protect sensible information leaking out by the > unecrypted subject? Does this also work in case of signing without > encryption?
Unfortunately this is not widely supported. Strangely enough it's supported by Outlook Express but not by Outlook. The main reason I added it was for gateway to gateway encryption because it allows you to completely remove the from, to and subject headers from the encrypted message. Kind regards, Martijn Brinkers -- Djigzo open source email encryption
smime.p7s
Description: S/MIME Cryptographic Signature
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smime.p7s
Description: S/MIME Cryptographic Signature
