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10.4: Use .Mac iChat certificates in Mail
Authored by: adrianm on Nov 29, '05 09:07:37AM

Cool. My other certificate recently expired and this one will replace it nicely. :-)



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10.4: Use .Mac iChat certificates in Mail
Authored by: djahughes on Nov 29, '05 02:32:27PM

So how does one get another. Mac users certificate in one's keychain?

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David Hughes



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10.4: Use .Mac iChat certificates in Mail
Authored by: edcroteau on Nov 30, '05 08:44:57AM

I'm told that if you receive a digitally signed message from someone that you receive their certificate.

Ed



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10.4: Use .Mac iChat certificates in Mail
Authored by: WillTBrown on Feb 06, '06 08:26:09PM

This is correct.
If you have your own x509 or other type of certificate, you can send a signed message to a friend.
He also sends you a signed message from his email account.
OSX Mail keeps track of the S/MIME certificates sent to you by others, and the next time you compose a message to your friend, you now have the option of not just siging your email, but also encrypting it.

This way, nobody in transit can read the text of your email.

Digital signing is useful in and of itself. It allows you to send email 'with authority'. That is, the receiver knows it comes from you, without having to already exchanged keys with you (as with PGP).

The added bonus of encrypted communications can be used to protect personal, or business data transmitted via email.

I recommend it.



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