Theory and Practice
(Second Edition)

About the Authors

Photo of Vixie

Paul Vixie is President of Inc. A pioneer in Internet systems development, he was the author of the once-popular "King James" version of Sendmail and other industry-standard UNIX system software programs including BIND, and of a half dozen or so Internet RFC documents.

Photo of Avolio

Fred Avolio is President of Avolio Consulting, Inc., a computer and Internet security consulting firm. He has worked in the area of Internet security and communication since the early 1980s, and has taught Sendmail training at conferences and for Internet companies.