From: itsec.info (itsec.info@gmail.com)
Date: Fri Aug 11 2006 - 12:19:38 EDT
On Friday 11 August 2006 07:34, Tonnerre Lombard wrote:
> While this discussion doesn't quite seem to match the list subject, I
> have something to say here.
It is welcome when the topic evolves!
> On Thu, 2006-08-10 at 10:27 -0700, Gary E. Miller wrote:
> > Most modern pop3 and imap clients and servers support TLS. That
> > protentially gives you a certificate protected channel between the client
> > and server.
> >
> > A nice setup is dovecot server and thunderbird client using all TLS.
>
> This doesn't protect your mail at all if one of the mail servers
> underway demands to receive the mail unencrypted, which a lot of mail
> servers still do these days.
Hopefully these emails can not be de-crypted on the fly.
> Even worse, this gives anyone with the
> desire to crack your local TLS certificate for pop3s/imaps a huge
> opportunity for a known plaintext attack.
I do not get this point.
> The only real way to secure the contents (not the sender and
> receipient!) of your mail is to use PGP encryption on it. If you want to
> hide the metadata (who sent mail to who and about what) as well, you'll
> have to go for mixes, but they're pretty uneasy to get right...
Well pgp does address another area compared to TLS or pop3s. On the other hand
I agree to combine both!
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