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mastodon with lemmy
(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
The reason this doesn't work so well is that Lemmy communities are ActivityPub groups, which is not a feature the Mastodon has really implemented - right now you just follow the group as a user and it boosts all the posts to you.
However, Mastodon plans to do groups in their next major update, and this will most likely make the integration much nicer.