This version moves the "REQUIRETLS=NO" option to a message header field,
RequireTLS: No, and removes it as an option for the SMTP service
extension since the point in the "no" case is to assist with message
delivery, not to limit it to MTAs supporting REQUIRETLS.
-Jim
On 1/16/18 1:53 PM,
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:
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 MTA Strict Transport Security (MTA-STS)
Authors : Daniel Margolis
