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Re: [ietf-smtp] SMTP Over TLS on Port 26 - Implicit TLS Proposal

2019-01-08 19:52:01
On Wed, 09 Jan 2019 06:54:16 +0530, Viruthagiri Thirumavalavan said:

I just gave a pretty good example on why SMTPS better than STARTTLS.

Oh? In what way is it "pretty good"?  Yes, SMTPS would hide the initial 220
message, the EHLO and the response - but there's no info in those two that
aren't already known after the 3-packet handshake and a few DNS PTR queries
or obtained by other means - you're going to have  a really hard time claiming
that things like 8bitmime being advertised in the EHLO reply constitute
sensitive info.

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