The contact page for this website has recently been inundated with spam from webcrawling robots, so it has become necessary to implement some basic spam blocking. The website is now using Google reCaptcha technology. Apologies if this makes it harder to contact us, but the spam was spiralling out of control.
Here is a snapshot showing a small fraction of the spam that has been coming through on a daily basis:
It was a simple process to plug Google’s reCaptcha into the website and already it has had a transformative effect.