Guidelines on Electronic Mail Security

Published

February 20, 2007

Author(s)

Miles C. Tracy, Wayne Jansen, Karen A. Scarfone, Jason Butterfield

Abstract

This document was developed in furtherance of NIST's statutory responsibilities under the Federal Information Security Management Act (FISMA) of 2002, Public Law 107-347. The purpose of the publication is to recommend security practices for designing, implementing, and operating email systems on public and private networks. It contains information on popular email encryption standards and other standards relating to email. It presents general information on securing mail servers? operating systems and specific guidance on securing mail server applications, protecting messages traversing servers, and securing access to mailboxes. It also provides information regarding email client security and mail server administration. [Supersedes SP 800-45 (September 2002): http://www.nist.gov/manuscript-publication-search.cfm?pub_id=151267]

Citation

Special Publication (NIST SP) - 800-45 Ver 2

Report Number

800-45 Ver 2

NIST Pub Series

Special Publication (NIST SP)

Pub Type

NIST Pubs

Supercedes Publication

Guidelines on Electronic Mail Security

Download Paper

Local Download

Keywords

email, electronic mail, FISMA

Citation

Tracy, M. , Jansen, W. , Scarfone, K. and Butterfield, J. (2007), Guidelines on Electronic Mail Security, Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=50953 (Accessed October 27, 2025)