email servers block by content/address though, not only entire domains | Hacker News

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		cblconfederate on Dec 23, 2021 \| parent \| context \| favorite \| on: Twitter’s founder admits that shutting down the AP... email servers block by content/address though, not only entire domains

johnny22 on Dec 23, 2021 [–]

that's not true at all. I've ran mail servers. It's really easy to block by domain, and I have.

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