The IESG has received a request from the Using TLS in Applications WG (uta) to consider the following document: - 'SMTP MTA Strict Transport Security (MTA-STS)' <draft-ietf-uta-mta-sts-15.txt> as Proposed Standard The IESG plans to make a decision in the next few weeks, and solicits final comments on this action. Please send substantive comments to the ietf@ietf.org mailing lists by 2018-04-23. Exceptionally, comments may be sent to iesg@ietf.org instead. In either case, please retain the beginning of the Subject line to allow automated sorting. Abstract SMTP Mail Transfer Agent Strict Transport Security (MTA-STS) is a mechanism enabling mail service providers to declare their ability to receive Transport Layer Security (TLS) secure SMTP connections, and to specify whether sending SMTP servers should refuse to deliver to MX hosts that do not offer TLS with a trusted server certificate. The file can be obtained via https://datatracker.ietf.org/doc/draft-ietf-uta-mta-sts/ IESG discussion can be tracked via https://datatracker.ietf.org/doc/draft-ietf-uta-mta-sts/ballot/ The following IPR Declarations may be related to this I-D: https://datatracker.ietf.org/ipr/2776/
