Re: [ietf-smtp] MTA-MTA SMTP and TLS-on-connect

On 26/04/2020 21:37, John Levine wrote:
> Agreed, the extra overhead of HELO and STARTTLS is not important, and the net 
> is
> already overoptimized for mail on port 25.
The consideration in the referenced draft was a security one, not an
efficiency one.
-- 
Cheers,
  Jeremy

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