The root problem is not that I'm receiving spam emails, but that people are sending them. Symantec etc. have no business interest in getting people to stop sen

The root problem is not that I'm receiving spam emails, but that people are sending them. Symantec etc. have no business interest in getting people to stop sending spam emails. In the case of the pharma/counterfeit emails that were so common 10-15 years ago the fix was quite simple, but didn't come from the anti-spam industry - it required finding an aggrieved party (brand owners) with enough clout in the financial world. As you point out, fighting spam is an asymmetric game of whack-a-mole, where spammers can easily adapt to countermeasures. Forcing spammers to get a new merchant bank to handle their credit card transactions flips the asymmetry and makes them do all the work; as a result you no longer see spam advertising viagra. Getting rid of ransomware would be quite easy, in theory, if you could tank the value of bitcoin, since few ransomware gangs are able to collect ransom the traditional way in bags of cash. And a large fraction of other phishing attacks could be prevented by putting stricter controls on gift cards.