A new Request for Comments is now available in online RFC libraries. RFC 7444 Title: Security Labels in Internet Email Author: K. Zeilenga, A. Melnikov Status: Informational Stream: Independent Date: February 2015 Mailbox: kurt.zeilenga@isode.com, alexey.melnikov@isode.com Pages: 16 Characters: 32183 Updates/Obsoletes/SeeAlso: None I-D Tag: draft-zeilenga-email-seclabel-09.txt URL: https://www.rfc-editor.org/info/rfc7444 This document describes a header field, SIO-Label, for use in Internet email to convey the sensitivity of the message. This header field may carry a textual representation (a display marking) and/or a structural representation (a security label) of the sensitivity of the message. This document also describes a header field, SIO-Label-History, for recording changes in the message's label. INFORMATIONAL: This memo provides information for the Internet community. It does not specify an Internet standard of any kind. Distribution of this memo is unlimited. This announcement is sent to the IETF-Announce and rfc-dist lists. To subscribe or unsubscribe, see https://www.ietf.org/mailman/listinfo/ietf-announce https://mailman.rfc-editor.org/mailman/listinfo/rfc-dist For searching the RFC series, see https://www.rfc-editor.org/search For downloading RFCs, see https://www.rfc-editor.org/rfc.html Requests for special distribution should be addressed to either the author of the RFC in question, or to rfc-editor@rfc-editor.org. Unless specifically noted otherwise on the RFC itself, all RFCs are for unlimited distribution. The RFC Editor Team Association Management Solutions, LLC