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Google now blocks spoofed emails for better phishing protection (www.bleepingcomputer.com)

submitted 7 months ago by [email protected] to c/[email protected]

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Google has started automatically blocking emails sent by bulk senders who don't meet stricter spam thresholds and authenticate their messages as required by new guidelines to strengthen defenses against spam and phishing attacks.

As announced in October, the company now requires those who want to dispatch over 5,000 messages daily to Gmail accounts to set up SPF/DKIM and DMARC email authentication for their domains.

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[–] [email protected] 22 points 7 months ago

Having managed an exchange instance for my old job, I can safely say that DKIM and DMARC are just some extra DNS entries for out-of-band verification. They can be boiled down to a pair of checkboxes on a compliance sheet.
I can also say that most of the companies we got emails from didn't have DKIM, and even fewer had DMARC. Or worse, they had DMARC set to p=ignore. Which is honestly even more infuriating.