OK - according to (e.g.) http://www.anonequity.org/weblog/archives/2006/05/ctrlshiftdelete_learnit_loveit.php
this just purges the present browser private data.

Useful, but certainly not the same...

Sounds simple, but when do you use it, and upon what (i.e. do you use it to delete a single already identified spyware cookie, or does it do something more magical like stopping it coming back or...

I frequently run XoftSpy SE to check for spyware, and it often finds bs.serving-sys.com and related cookies.

I have now discovered how to block such sites within Mozilla Firefox.
First you need...

I think you have it spot on! I tried operating from another computer which has not been connected to the web, and with every available firewall to stop anything being emailed out without my express...

I will try. However, the computer is in my house, and I live alone!

I have started getting a lot of "Failed delivery" notices, claiming that SPAM emails were sent from my address. These feature the correct address after the @ symbol, but a random collection of...