SitePoint is a web design forum and PugSA is a member of it, having joined in 2005. Maybe you joined that back then?

Spam is spam - it is a fact of life in the electronic age. Shame we don't have an EPS the same way we have an MPS and TPS (in the UK at least).

I use a yahoo account when I subscribe to anything. Originally it was just going to be a spam magent but now I mostly check that account for mail. It has trainable spam filtering. You could train a gmail account similarly. They can identify between valid content and spam on the Debian lists