Comments:

The biggest problem with spam is that many of the senders are using fake return addresses that cannot easily be traced. It's also known that when someone "opts out", their email address is then pur on more spammer's lists, thus creating more spam. No, I repeat, no sender of email should be anonymous. The inability to reply to any sender is a "blind alley" and these people must be stopped from trashing up the emails. Much of the spam I have received is from "harvesting" and the fact that I have a website, and used to own a small company. I consider any such gleaning of email addresses as a privacy invasion. Specific emails which show pornographic images directly on the email browser must be totally prhohibited. I believe these are already in violation of decency laws.