Edit:

I reached out to Lemmy World admins (!lwadmin) and they said:

If a user is banned on their home instance then it federates to others, if banned on instances other than their home, it doesn’t

  • kopper [they/them]@lemmy.blahaj.zone
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    1 year ago

    If they’re banned from their own instance, that ban federates out and they’re completely banned off that account.

    If some other instance bans them, that ban is instance specific and that person can still interact with communities and people from other instances, except the one that banned them.

    • Rooki@lemmy.worldM
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      1 year ago

      It doesnt federate its just that he cant write anything on the home instance => so he cant post on non local instances he is locked out of his account

      • kopper [they/them]@lemmy.blahaj.zone
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        1 year ago

        It could’ve changed since then but back when I ran my own single-user instance I had bans federating in from other instances listed in my admin panel.

        • Rooki@lemmy.worldM
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          1 year ago

          Ok weird as it is useless tbh. As the user can only post FROM their account and because of that its impossible to login from non local instances.

          • FooBarrington@lemmy.world
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            1 year ago

            It’s not useless, it’s so that the ban can be displayed on other instances. If it weren’t propagated, you couldn’t know if someone was banned without explicitly looking up their profile on their home instance.