[15535] in cryptography@c2.net mail archive
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daemon@ATHENA.MIT.EDU (Perry E. Metzger)
Wed Jun 2 12:34:11 2004
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From: "Perry E. Metzger" <perry@piermont.com>
Date: Wed, 02 Jun 2004 10:21:59 -0400
I view link encryption for SMTP -- i.e. SMTP over TLS -- as having two
functions.
1) It frustrates "vacuum cleaner" mail tapping efforts to some degree.
2) It can be used effectively for authenticating the posting of a
mail message from an MUA to the first hop MTA.
I don't see it as being useful for making sure your mail is actually
"secure", but I think it is a valuable thing to turn on as much as one
can, if only to reduce "casual eavesdropping". It certainly can't stop
(for the most part) concerted attacks, but I don't think most people
view it as being useful for that.
--
Perry E. Metzger perry@piermont.com
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