A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : SMTP Require TLS Option
Author : Jim Fenton
Filename : draft-fenton-smtp-require-tls-00.txt
Pages : 7
Date : 2016-01-10
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 option, REQUIRETLS, which causes message
delivery to fail if a TLS connection with the required security
characteristics cannot be negotiated with the next hop MTA or if that
MTA does not also support REQUIRETLS. Message originators may
therefore expect transport security for messages sent with this
option.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-fenton-smtp-require-tls/
There's also a htmlized version available at:
https://tools.ietf.org/html/draft-fenton-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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