#senderidentification — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #senderidentification, aggregated by home.social.
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I was testing our sender identification system and checked a mid-size ecommerce domain
47 distinct senders in their DMARC reports, only 12 were authorized
the rest? old trial ESPs, a former agency's Mailchimp account, two Chinese IPs spoofing their domain, and a dozen services they'd forgotten they'd onboarded
most domains have no idea how many systems send as them