Cleartext Considered Obsolete: Use of Transport Layer Security for Email Submission and Access
RFC 8314, “Cleartext Considered Obsolete: Use of Transport Layer Security for Email Submission and Access”, is a Proposed Standard document published in January 2018 by K. Moore, C. Newman. It updates RFC 1939, RFC 2595, RFC 3501, RFC 5068, RFC 6186, RFC 6409. It has since been updated by RFC 8997. The canonical text is published by the RFC Editor.
Abstract
This specification outlines current recommendations for the use of Transport Layer Security (TLS) to provide confidentiality of email traffic between a Mail User Agent (MUA) and a Mail Submission Server or Mail Access Server. This document updates RFCs 1939, 2595, 3501, 5068, 6186, and 6409.
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
The canonical text of RFC 8314 is hosted at rfc-editor.org. Available in TXT,HTML.
- RFC 8313 Use of Multicast across Inter-domain Peering Points
- RFC 8315 Cancel-Locks in Netnews Articles
- RFC 8312 CUBIC for Fast Long-Distance Networks
- RFC 8316 Autonomic Networking Use Case for Distributed Detection of Service Level Agreement Violations
- RFC 8311 Relaxing Restrictions on Explicit Congestion Notification Experimentation
- RFC 8317 Ethernet-Tree Support in Ethernet VPN and Provider Backbone Bridging EVPN
- RFC 8310 Usage Profiles for DNS over TLS and DNS over DTLS
- RFC 8318 IAB, IESG, and IAOC Selection, Confirmation, and Recall Process: IAOC Advisor for the Nominating Committee