[IDG] In theory, stopping spam is easy: just make it uneconomic to send millions of messages by charging for each one sent, or make senders authenticate their identity to stop address spoofing and simplify blocking.In practice, that would involve building a secure, parallel e-mail infrastructure linking electronic authentication with real-world identities: a daunting task. Yet that’s just what Germany is about to do.
http://www.networkworld.com/news/2011/030411-germany-identifies-a-secure-way.html
http://www.pcworld.com/businesscenter/article/221382/.html
Germany identifies a secure way to deal with spam
In theory, stopping spam is easy: just make it uneconomic to send millions of messages by charging for each one sent, or make senders authenticate their identity to stop address spoofing and simplify blocking.