Status:
Work-in-Progress Draft
Informative Reference Version:
1.0.0
Focal Document Version:
800-53 Rev. 4
Summary:
This document gives recommendations and guidelines for enhancing trust in email. The primary audience includes enterprise email administrators, information security specialists and network managers. This guideline applies to federal IT systems and will also be useful for small or medium sized organizations. Technologies recommended in support of core Simple Mail Transfer Protocol (SMTP) and the Domain Name System (DNS) include mechanisms for authenticating a sending domain: Sender Policy Framework (SPF), Domain Keys Identified Mail (DKIM) and Domain based Message Authentication, Reporting and Conformance (DMARC). Recommendations for email transmission security include Transport Layer Security (TLS) and associated certificate authentication protocols. Recommendations for email content security include the encryption and authentication of message content using S/MIME (Secure/Multipurpose Internet Mail Extensions) and associated certificate and key distribution protocols.
Target Audience:
The primary audience for these recommendations is federal enterprise email administrators, information security specialists and network managers. While some of the guidelines in this document pertain to federal IT systems and network policy, most of the document will be more general in nature and could apply to any organization.
Comprehensive:
Yes
Comments:
Point of Contact:
olir@nist.gov
Category of Submitter:
Public Sector
Dependencies/Requirements:
N/A
Citations:
) or https:// don't prove our archive is authentic, only that you securely accessed it. Note that we are working to fix that :)
