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SMTP Over TLS on Port 26 - Implicit TLS Proposal [Feedback Request]

Subject: SMTP Over TLS on Port 26 - Implicit TLS Proposal [Feedback Request]
From: rblayzor.bulk at inoc.net (Robert Blayzor)
Date: Mon, 14 Jan 2019 10:58:11 -0500
In-reply-to: <CAOEezJQ2NMzFf+xjiZm6QLHfzkKUr-duFQTTecGL7TemzmKUOA@mail.gmail.com>
References: <CAOEezJQ0mJYvKW=SdbbE4ZC2Vx6_9FD5Z0SpkF2840r580vZ5w@mail.gmail.com> <CAP-guGUBp8oxkPrZR4_29xTmAMLnaN6b-ZudPsJ-v6vJoFqtGA@mail.gmail.com> <CAOEezJQCpErow45ErKvjAN6U+_=Lm-JLCp73LRfUrzCQpX5JUQ@mail.gmail.com> <CAP-guGWU2LLDw5AaBLoj2dJUV_6zhOE5O8dpyF9AGLzdsV1Ynw@mail.gmail.com> <CAOEezJRWm6Xa4Qf76zARG63Byh0Uto6fiExZ4r+mL6_GUQaSnw@mail.gmail.com> <CAP-guGVuixB3sa5G8AXKsSZv7cGEV+kU1jXhfrGLsG4f2vWEnA@mail.gmail.com> <[email protected]> <CAOEezJRXiMhUd3NorgjDDSLk6qMQ1NJ1x2BPyuEXvtFVq2HsmA@mail.gmail.com> <TY2PR03MB4525BD598C265696F136C33FF5860@TY2PR03MB4525.apcprd03.prod.outlook.com> <CAOEezJQ2NMzFf+xjiZm6QLHfzkKUr-duFQTTecGL7TemzmKUOA@mail.gmail.com>

On 1/11/19 11:15 PM, Viruthagiri Thirumavalavan wrote:
> e.g.Â 220 mail.ashleymadison.com <http://mail.ashleymadison.com>
> AshleyMadison ESMTP Service Ready
> 
> Those text will always be transferred in plain text. So I thought
> Implicit TLS would prevent leaking that info.

I'm not really sure how that really matters when anyone on the open
internet could connect to that service port and get the information anyway.

If I'm in the middle and I really want to know who you're talking to,
what prevents me to just connect to that host and get the same information?

-- 
inoc.net!rblayzor
XMPP: rblayzor.AT.inoc.net
PGP:  https://inoc.net/~rblayzor/

Follow-Ups:
- SMTP Over TLS on Port 26 - Implicit TLS Proposal [Feedback Request]
  - From: giri at dombox.org (Viruthagiri Thirumavalavan)

References:
- SMTP Over TLS on Port 26 - Implicit TLS Proposal [Feedback Request]
  - From: giri at dombox.org (Viruthagiri Thirumavalavan)
- SMTP Over TLS on Port 26 - Implicit TLS Proposal [Feedback Request]
  - From: bill at herrin.us (William Herrin)
- SMTP Over TLS on Port 26 - Implicit TLS Proposal [Feedback Request]
  - From: giri at dombox.org (Viruthagiri Thirumavalavan)
- SMTP Over TLS on Port 26 - Implicit TLS Proposal [Feedback Request]
  - From: bill at herrin.us (William Herrin)
- SMTP Over TLS on Port 26 - Implicit TLS Proposal [Feedback Request]
  - From: giri at dombox.org (Viruthagiri Thirumavalavan)
- SMTP Over TLS on Port 26 - Implicit TLS Proposal [Feedback Request]
  - From: bill at herrin.us (William Herrin)
- SMTP Over TLS on Port 26 - Implicit TLS Proposal [Feedback Request]
  - From: lists.nanog at monmotha.net (Brandon Martin)
- SMTP Over TLS on Port 26 - Implicit TLS Proposal [Feedback Request]
  - From: giri at dombox.org (Viruthagiri Thirumavalavan)
- SMTP Over TLS on Port 26 - Implicit TLS Proposal [Feedback Request]
  - From: ops.lists at gmail.com (Suresh Ramasubramanian)
- SMTP Over TLS on Port 26 - Implicit TLS Proposal [Feedback Request]
  - From: giri at dombox.org (Viruthagiri Thirumavalavan)

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