The NCCoE released a draft of the NIST Cybersecurity Practice Guide, “Domain Name Systems-Based Electronic Mail Security.” The public comment period on the draft has closed, but you can still download the draft guide below.
For ease of use, the guide is available in volumes:
- SP 1800-6a: Executive Summary (PDF) (web page)
- SP 1800-6b: Approach, Architecture, and Security Characteristics (PDF) (web page)
- SP 1800-6c: How-To Guides (PDF) (web page)
Or download the complete guide (PDF).
The SMIMEA retriever tool, developed by NCCoE Lead Cybersecurity Engineer Santos Jha as part of this project, is available for download below.
Read the press release about the draft guide and project.
Or see the two-page fact sheet or draft and final DNS-Based Secured Email Project Descriptions (PDF) for additional information.
If you have questions or would like to email the project team, contact us at firstname.lastname@example.org