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Postfix as a Secure Programming Example 
With Wietse Venema
Wietse presents the main thoughts and mechanisms that went into the design and implementation of the open source Postfix mail system, and how this design made it possible to expand the system by four times without losing its desirable properties.
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About the speaker
Dr. Wietse Venema (born 1951) is a Dutch
programmer and physicist best known for writing the Postfix mail
system. He has also written numerous other security related tools,
such as SATAN and The Coroner's Toolkit, both in co-operation with Dan
Farmer, and TCP Wrapper.