Wietse Venema

Wietse Venema by Peter Adams.

Wietse Venema, New York City, 2015.

Wietse Venema is a computer programmer best known for creating the Postfix mail transfer agent, which routes and delivers e-mail over the Internet. Venema has also made significant contributions to computer security as the author of the TCP Wrapper access control software and as a co-author of the Coroner’s Toolkit and SATAN security tools.