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Google now blocks spoofed emails for better phishing protection
(www.bleepingcomputer.com)
This is a most excellent place for technology news and articles.
Is it though? Is your self hosted mail server sending 5,000+ emails to various Gmail inboxes daily? If not, this doesn’t seem like it would affect you. And even if it did, all they appear to be asking is that you enable DKIM and DMARC for your mail server, which is something both trivial to do and you should be doing anyway.
I’m not going to claim that a company like Google wouldn’t love to make life harder for the consumer, but I don’t see how anything related to this change would do that.