My technique was to use a "+spam" suffix on my email user with the idea that when the spambots got it, I'd just ban that address and change the web site to use

My technique was to use a "+spam" suffix on my email user with the idea that when the spambots got it, I'd just ban that address and change the web site to use "+spam1". That was over 10 years ago and I've never once gotten spam to that address. Turns out spambots aren't a problem any more after all.