Is S/MIME the only solution for email security? Plese help (Full Version)

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risingflight143 -> Is S/MIME the only solution for email security? Plese help (20.Feb.2011 11:23:17 AM)

We are using Exchange 2007
My boss is crazy. he uses owa , my boss has got a mail from his friend(outside org) now he is asking me how can i trust this mail was sent by his friend or someone might have used his frieds id to send a mail to him, my boss is asking me show me from which ip address i got this email. He is asking how can i trust the mails which he is getting.and overall where is the security for the mail.

I told u have to implement S/MIME for email security where the email will be encrypted.Is there any other solution other than S/MIME ?,
and for S/MIME do i need a third partyCA , though we r using digicert for owa,
will a special CA will be required for implementing S/MIME,
please tell how can i get the ip address of the mail which my boss got,
Please guide me
 

 




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