Writing software that's safe even in the presence of bugs makes the challenge even more interesting.

The Postfix security model is based on keeping software simple and stupid.

Writing software that's safe even in the presence of bugs makes the challenge even more interesting.

This will surprise some of your readers, but my primary interest is not with computer security. I am primarily interested in writing software that works as intended.

Like all software, Qmail can survive only when it keeps up with changing requirements.

Adding functionality is not just a matter of adding code.

For many people my software is something that you install and forget. I like to keep it that way.