draft-ietf-uta-tls-for-email-02.txt   draft-ietf-uta-tls-for-email-03.txt 
Network Working Group L. Velvindron Network Working Group L. Velvindron
Internet-Draft cyberstorm.mu Internet-Draft cyberstorm.mu
Updates: 8314 (if approved) S. Farrell Updates: 8314 (if approved) S. Farrell
Intended status: Standards Track Trinity College Dublin 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 Use of TLS for Email Submission and Access
draft-ietf-uta-tls-for-email-02 draft-ietf-uta-tls-for-email-03
Abstract Abstract
This specification updates current recommendation for the use of This specification updates current recommendation for the use of
Transport Layer Security (TLS) protocol to provide confidentiality of Transport Layer Security (TLS) protocol to provide confidentiality of
email between a Mail User Agent (MUA) and a Mail Submission Server or email between a Mail User Agent (MUA) and a Mail Submission Server or
Mail Access Server. This document updates RFC8314. Mail Access Server. This document updates RFC8314.
Status of This Memo Status of This Memo
skipping to change at page 1, line 34 skipping to change at page 1, line 34
Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at https://datatracker.ietf.org/drafts/current/. Drafts is at https://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." 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 Notice
Copyright (c) 2019 IETF Trust and the persons identified as the Copyright (c) 2019 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(https://trustee.ietf.org/license-info) in effect on the date of (https://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
skipping to change at page 4, line 11 skipping to change at page 4, line 11
" MUAs MUST implement TLS 1.2 [RFC5246] or later e.g TLS 1.3 " 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 [RFC8446]. Earlier TLS and SSL versions MAY also be supported, so
long as the MUA requires at least TLS 1.2 [RFC5246] when accessing long as the MUA requires at least TLS 1.2 [RFC5246] when accessing
accounts that are configured to impose minimum confidentiality accounts that are configured to impose minimum confidentiality
requirements. " requirements. "
OLD: OLD:
" The default minimum expected level of confidentiality for all new " The default minimum expected level of confidentiality for all new
accounts MUST require successful validation of the server's 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 greater. (Future revisions to this specification may raise these
requirements or impose additional requirements to address newly requirements or impose additional requirements to address newly
discovered weaknesses in protocols or cryptographic algorithms. " discovered weaknesses in protocols or cryptographic algorithms. "
NEW: NEW:
" The default minimum expected level of confidentiality for all new " The default minimum expected level of confidentiality for all new
accounts MUST require successful validation of the server's 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 1.2 or
greater. (Future revisions to this specification may raise these greater. (Future revisions to this specification may raise these
skipping to change at page 4, line 37 skipping to change at page 4, line 37
None of the proposed measures have an impact on IANA. None of the proposed measures have an impact on IANA.
5. Security Considerations 5. Security Considerations
The purpose of this document is to document updated recommendations The purpose of this document is to document updated recommendations
for using TLS with Email services. Those recommendations are based for using TLS with Email services. Those recommendations are based
on [I-D.ietf-tls-oldversions-deprecate]. on [I-D.ietf-tls-oldversions-deprecate].
6. Acknowledgement 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. References
7.1. Informative References 7.1. Informative References
[RFC4346] Dierks, T. and E. Rescorla, "The Transport Layer Security [RFC4346] Dierks, T. and E. Rescorla, "The Transport Layer Security
(TLS) Protocol Version 1.1", RFC 4346, (TLS) Protocol Version 1.1", RFC 4346,
DOI 10.17487/RFC4346, April 2006, DOI 10.17487/RFC4346, April 2006,
<https://www.rfc-editor.org/info/rfc4346>. <https://www.rfc-editor.org/info/rfc4346>.
 End of changes. 5 change blocks. 
5 lines changed or deleted 6 lines changed or added

This html diff was produced by rfcdiff 1.47. The latest version is available from http://tools.ietf.org/tools/rfcdiff/