- Albitz, Paul, and Cricket Liu. DNS and BIND. Sebastopol, CA: Anonymous, .
- Allman, Eric. Sendmail: An Internetwork Mail Router in the BSD UNIX Documentation Set. Berkeley, CA: University of California, -1993.
- Allman, Eric, and Miriam Amos. Sendmail Revisited. Portland, OR: USENIX Proceedings, Summer 1985.
- Anderson, Bart, Bryan Costales, and Harry Henderson. Unix Communications. Carmel, Indiana: Howard W. Sams, a Division of Macmillan Computer Publishing, .
- Cheswick, William R., and Steven M. Bellovin. Firewalls and Internet Security, Repelling the Wily Hacker. Reading, MA: Addison-Wesley Publishing Company, .
- Cuccia, Nichlos H. The Design and Implementation of a Multihub Electronic Mail Environment. San Diego, CA: USENIX Proceedings - LISA V, October 3, 1991.
- Darmohray, Tina M. A sendmail.cf Scheme for a Large Network. San Diego, CA: USENIX Proceedings - LISA V, October 3, 1991.
- Frey, Donnalyn, and Rick Adams. !%@:: A Directory of Electronic Mail Addressing and Networks. Sebastopol, CA: Anonymous, .
- Harrison, Helen E. A Domain Mail System on Dissimilar Computers: Trials and Tribulations of SMTP. Colorado Springs, CO: USENIX Proceedings - LISA IV, October 19, 1990.
- Hedrick, Dr. Charles. A brief tutorial on sendmail rules. (A posting to the old Usenet groups net.unix-wizards and net.mail. Reposted to comp.mail.sendmail August 7th 1992.) Rutgers University, .
- Hunt, Craig. TCP/IP Network Administration. Sebastopol, CA: Anonymous, .
- Kamens, Jonathan I. FAQ: How to find people's E-mail addresses. (A monthly posting to the Usenet groups comp.mail.misc, and news.newusers.questions.) Cambridge, MA: Massachusetts Institute of Technology, Periodic.
- Nemeth, Evi, Garth Snyder, Scott Seebass, and Trent R. Hein. "Mail and Berkeley Sendmail," in Unix System Administration eBook. Englewood Cliffs, NJ: Prentice Hall, nd version, .
- Quarterman, John S. The Matrix: Computer Networks and Conferencing Systems Worldwide. Bedford, MA: Digital Press, .
- Rickert, Neil. Address Rewriting in Sendmail. (Posted to the USENET group comp.mail.sendmail.) DeKalb, IL: Northern Illinois University, Apr 29, 1991.
- Stern, Hal. Managing NFS and NIS. Sebastopol, CA: Anonymous, .