Security Solutions Is e-Mail Better than Mail?
	v Confidentiality = Encryption Ø Encryption key (public/private) v Integrity + Authentication: Electronic Signature Ø N.B. – Thus we have non-repudiation of origin. v Non-Repudiation of Receipt: Electronic Replies Ø Can include the “check sum.” Ø Arrived at mailbox or was read? v Proof of date/time is still a little tricky Ø There are ways to get around this using reliable third parties.