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Federated social media from before it was cool
(lemmy.world)
A community to talk about the Fediverse and all it's related services using ActivityPub (Mastodon, Lemmy, KBin, etc).
If you wanted to get help with moderating your own community then head over to !moderators@lemmy.world!
Learn more at these websites: Join The Fediverse Wiki, Fediverse.info, Wikipedia Page, The Federation Info (Stats), FediDB (Stats), Sub Rehab (Reddit Migration), Search Lemmy
You forgot both 'Don't send too much email' and 'Fail to send enough email' as qualifiers, as well.
Which I think is the big thing that hits more people than anything else, since 'too much traffic' and 'not enough traffic' are not defined and so you can easily be caught by one, then the other, then end up in purgatory.
(This is mostly a Microsoft problem rather than a Google problem, but still.)