A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Using TLS in Applications WG of the IETF.
Title : SMTP Require TLS Option
Author : Jim Fenton
Filename : draft-ietf-uta-smtp-require-tls-00.txt
Pages : 13
Date : 2017-08-07
Abstract:
The SMTP STARTTLS option, used in negotiating transport-level
encryption of SMTP connections, is not as useful from a security
standpoint as it might be because of its opportunistic nature;
message delivery is prioritized over security. This document
describes a complementary SMTP service extension, REQUIRETLS. If the
REQUIRETLS option is used when sending a message, it asserts a
request on the part of the message sender to override the default
negotiation of TLS, either by requiring that TLS be negotiated when
the message is relayed, or by requesting that policy mechanisms such
as SMTP STS and DANE be ignored when relaying a high priority
message.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-uta-smtp-require-tls/
There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-uta-smtp-require-tls-00
https://datatracker.ietf.org/doc/html/draft-ietf-uta-smtp-require-tls-00
Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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