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There is one major problem with anti-virus software: It needs updating. Users cannot be relied upon to have even the anti-virus software in the first place, let alone be able or willing to pay for the updates.

As every new breed of virus is conceived, created and released into the wild, another small change is made to the anti-virus software to combat the new threat.

A minimum precaution: keep your anti-malware protections up to date, and install security updates for all your software as soon as they arrive.

I started with Apple, in a pre-Windows era when PCs seemed to involve more of a learning curve. But the fact that I'm yet to acquire so much as a single virus still seems a very good thing.

After all, just one virus on a computer is one too many.

Any program is only as good as it is useful.

I think malware is a significant threat because the mitigation, like antivirus software, hasn't evolved to a point to really mitigate the risk to a reasonable degree.

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.

When it comes to software, I much prefer free software, because I have very seldom seen a program that has worked well enough for my needs, and having sources available can be a life-saver.

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.