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

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.

In a previous life I wrote the software that controlled my physics experiments. That software had to deal with all kinds of possible failures in equipment. That is probably where I learned to rely on multiple safety nets inside and around my systems.

When it comes to watches, it's ironic that you can spend thousands on an exquisitely made mechanical watch, and yet it will be less accurate than a five-quid digital bought from a petrol station.

I believe that rather than it being a case of humans versus machines, the future of financial advice more likely lies somewhere in between, where human advisors leverage artificial intelligence and automation to become smarter and more efficient at doing their jobs.

I've been thinking about the distorted view of science that prevails in our culture. I've been wondering about this, because our civilization is completely dependent on science and high technology, yet most of us are alienated from science.

I've just found out there are pages on the internet dedicated to whether I'm gay or not.