higgsbosonGoogle now blocks spoofed emails for better phishing protection
I.e. it’s now even harder to run your own mail server.
If it was crypto-related the argument would be Think.if the children™, since it’s email the excuse is spam.
deafboyWithout SPF and DKIM, I could send messages pretending to be from you to anybody. Average user has no way to know that the “From:” field does not really mean what it says.