yahoo to use public key technology for anti-spam

[Anton Stiglic]

----- Original Message ----- 
From: "Carl Ellison" <cme at acm.org>
To: "'Will Rodger'" <wrodger at pobox.com>; "'Steve Bellovin'"
<smb at research.att.com>; <cryptography at metzdowd.com>
Sent: Sunday, December 07, 2003 8:44 AM
Subject: RE: yahoo to use public key technology for anti-spam


> I, for one, hate the idea.  My From address should be cme at acm.org.  That's
> my remailer where I receive all my incoming e-mail.  However, my outgoing
> SMTP server depends on which cable modem provider or hot spot I happen to
be
> at the moment.  It would be that SMTP machine that signs my outgoing mail,
> not acm.org who never sees my outgoing mail.

But you should be sending mails via *your* SMTP server, and should be
connecting to that SMTP server using SSL and authentication.  Open relays
encourage spam.  People shouldn't be relaying mail via just any SMTP server.

--Anton



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