DKIM, SPF, DMARC... old tech and it just got reactivated recently. Will take a time to spread.
On the other hand people might want to keep pseudonymous and throwaway mails. Nearly the exact same warnings apply here as they would have applied to those that chose Google as a mail provider and now complain about lacking support and account closure. A largely self-inflicted problem. Don't continue this naivete...
Spam is annoying, but not a threat. Phishing is to a large degree. That needs user training, people stopping to pay ransoms and sensible IT policies for corporations.
On the other hand people might want to keep pseudonymous and throwaway mails. Nearly the exact same warnings apply here as they would have applied to those that chose Google as a mail provider and now complain about lacking support and account closure. A largely self-inflicted problem. Don't continue this naivete...
Spam is annoying, but not a threat. Phishing is to a large degree. That needs user training, people stopping to pay ransoms and sensible IT policies for corporations.