Adding functionality is not just a matter of adding code.

Quote by Wietse Venema

Topics: Wietse Venema Quotes

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

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

Lack of documentation is becoming a problem for acceptance.

Lack of documentation is becoming a problem for acceptance.

Coming back to the topic of computer security, the TCP Wrapper is an example of...

Coming back to the topic of computer security, the TCP Wrapper is an example of...

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

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

This will surprise some of your readers, but my primary interest is not with computer...

This will surprise some of your readers, but my primary interest is not with computer...

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

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

When I write software, I know that it will fail, either due to my own...

When I write software, I know that it will fail, either due to my own...

At the time the Sendmail program had a very poor reputation with respect to security,...

At the time the Sendmail program had a very poor reputation with respect to security,...

Qmail out of the box works fine, so people will want to use it regardless...

Qmail out of the box works fine, so people will want to use it regardless...

In a previous life I wrote the software that controlled my physics experiments. That software...

In a previous life I wrote the software that controlled my physics experiments. That software...

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

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

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

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

As of today, the Postfix mail transport agent has almost 50,000 lines of code, comments...

As of today, the Postfix mail transport agent has almost 50,000 lines of code, comments...

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

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

Windows favors multi-threading, which means that a service is implemented by one single process.

Windows favors multi-threading, which means that a service is implemented by one single process.

Defect-free software does not exist.

Defect-free software does not exist.

I want to avoid locking people into solutions that work only with Postfix. People should...

I want to avoid locking people into solutions that work only with Postfix. People should...

My reply is: the software has no known bugs, therefore it has not been updated.

My reply is: the software has no known bugs, therefore it has not been updated.

However, writing software without defects is not sufficient. In my experience, it is at least...

However, writing software without defects is not sufficient. In my experience, it is at least...

Most of the effort in the software business goes into the maintenance of code that...

Most of the effort in the software business goes into the maintenance of code that...