Re: [Asrg] 6. Proposals - AMTP (rev 01) - MPC

[Bill Weinman <wew@bearnet.com>]

At 03:46 PM 10/2/2003, Markus Stumpf wrote:
> RFC 3207 provides already the TLS/X.509 part on AMTP.
RFC 3207 section 4 has this statement: "A publicly-referenced SMTP server 
MUST NOT require use of the STARTTLS extension in order to deliver mail 
locally." That makes it impossible to use as a way of combating email abuse.

Also, SMTP requires backward compatibility with non-extended versions of 
the protocol (RFC 2821, section 4.1.1.1). That's why AMTP couldn't work as 
an SMTP extension.

--Bill


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