--- 1/draft-ietf-uta-tls-for-email-02.txt 2019-10-22 03:13:11.837651894 -0700 +++ 2/draft-ietf-uta-tls-for-email-03.txt 2019-10-22 03:13:11.853652299 -0700 @@ -1,19 +1,19 @@ Network Working Group L. Velvindron Internet-Draft cyberstorm.mu Updates: 8314 (if approved) S. Farrell Intended status: Standards Track Trinity College Dublin -Expires: March 14, 2020 September 11, 2019 +Expires: April 24, 2020 October 22, 2019 Use of TLS for Email Submission and Access - draft-ietf-uta-tls-for-email-02 + draft-ietf-uta-tls-for-email-03 Abstract This specification updates current recommendation for the use of Transport Layer Security (TLS) protocol to provide confidentiality of email between a Mail User Agent (MUA) and a Mail Submission Server or Mail Access Server. This document updates RFC8314. Status of This Memo @@ -23,21 +23,21 @@ Internet-Drafts are working documents of the Internet Engineering Task Force (IETF). Note that other groups may also distribute working documents as Internet-Drafts. The list of current Internet- Drafts is at https://datatracker.ietf.org/drafts/current/. Internet-Drafts are draft documents valid for a maximum of six months and may be updated, replaced, or obsoleted by other documents at any time. It is inappropriate to use Internet-Drafts as reference material or to cite them other than as "work in progress." - This Internet-Draft will expire on March 14, 2020. + This Internet-Draft will expire on April 24, 2020. Copyright Notice Copyright (c) 2019 IETF Trust and the persons identified as the document authors. All rights reserved. This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (https://trustee.ietf.org/license-info) in effect on the date of publication of this document. Please review these documents @@ -142,21 +142,21 @@ " MUAs MUST implement TLS 1.2 [RFC5246] or later e.g TLS 1.3 [RFC8446]. Earlier TLS and SSL versions MAY also be supported, so long as the MUA requires at least TLS 1.2 [RFC5246] when accessing accounts that are configured to impose minimum confidentiality requirements. " OLD: " The default minimum expected level of confidentiality for all new accounts MUST require successful validation of the server's - certificate and SHOULD require negotiation of TLS version 1.2 or + certificate and SHOULD require negotiation of TLS version 1.1 or greater. (Future revisions to this specification may raise these requirements or impose additional requirements to address newly discovered weaknesses in protocols or cryptographic algorithms. " NEW: " The default minimum expected level of confidentiality for all new accounts MUST require successful validation of the server's certificate and SHOULD require negotiation of TLS version 1.2 or greater. (Future revisions to this specification may raise these @@ -168,21 +168,22 @@ None of the proposed measures have an impact on IANA. 5. Security Considerations The purpose of this document is to document updated recommendations for using TLS with Email services. Those recommendations are based on [I-D.ietf-tls-oldversions-deprecate]. 6. Acknowledgement - The authors would like to thank Vittorio Bertola for his feedback. + The authors would like to thank Vittorio Bertola and Viktor Dukhovni + for their feedback. 7. References 7.1. Informative References [RFC4346] Dierks, T. and E. Rescorla, "The Transport Layer Security (TLS) Protocol Version 1.1", RFC 4346, DOI 10.17487/RFC4346, April 2006, .