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

Wietse Venema

As of today, the Postfix mail transport agent has almost 50,000 lines of code, comments not included.

Wietse Venema

However, writing software without defects is not sufficient. In my experience, it is at least as difficult to write software that is safe - that is, software that behaves reasonably under adverse conditions.

Wietse Venema

Qmail out of the box works fine, so people will want to use it regardless of licensing restrictions, even when the software does not ship with their system software.

Wietse Venema

I don't expect an overnight change of all desktops to what the US Military used to call B3 level security. And even that would not stop users from shooting themselves into the foot.

Wietse Venema

Postfix keeps running even if one Postfix process dies; Windows requires that someone restarts the service.

Wietse Venema

The challenge with Postfix, or with any piece of software, is to update software without introducing problems.

Wietse Venema

Defect-free software does not exist.

Wietse Venema

I want to avoid locking people into solutions that work only with Postfix. People should have a choice in what software they want to use with Postfix, be it anti-virus or otherwise.

Wietse Venema

At the time the Sendmail program had a very poor reputation with respect to security, with four root vulnerabilities per year for two successive years.

Wietse Venema