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Re: A hypothetical question

From Claus Aßmann <INVALID_NO_CC_REMOVE_IF_YOU_DO_NOT_POST_ml+sendmail(-no-copies-please)@esmtp.org>
Newsgroups comp.mail.sendmail
Subject Re: A hypothetical question
Date 2026-09-26 01:55 -0400
Organization MGT Consulting
Message-ID <1197mod$4a0$1@news.misty.com> (permalink)
References <119743r$2v2h$1@gal.iecc.com>

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John Levine  wrote:
> In today's skirmish, one of the TLS crowd says:

> > 1. [Current text] Requiring all email server developers to write code to
> > accept unencrypted mail, even if none of their users wants it

Viktor clearly explained again and again that this is completely
bogus.  The SMTP engine MUST handle cleartext - that's what it gets
from the TLS layer.

> So my question is, imagine a hypothetical version of sendmail that was
> STARTLS only.
> How much code are we talking about here?

None. It can already be enforced. See cf/README:

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An hypothetical question John Levine <johnl@taugh.com> - 2026-09-26 00:37 +0000
  Re: A hypothetical question Claus Aßmann <INVALID_NO_CC_REMOVE_IF_YOU_DO_NOT_POST_ml+sendmail(-no-copies-please)@esmtp.org> - 2026-09-26 01:55 -0400

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