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Spammers are better at SPF, DKIM, and DMARC than everyone else

(toad.social)
429 points pabs3 | 1 comments | 25 Mar 25 08:14 UTC | HN request time: 0.352s | source
1. apeters ◴[25 Mar 25 11:31 UTC] No.43470001[source]▶
You may have success checking for common tracking and advertising elements in a mail. Good chance it's spam if there's not 100 trackers. Frustrating.