• poVoq@lemmy.mlOP
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    3 years ago

    Even though I blocked their JID, it’s possible we both can be in the same MUC and I get messages from them through the MUC itself. I’m not sure if it’s possible to block that without help from the MUC’s admin.

    Yes that is not possible as only MUC admins actually know the real user JID (privacy feature), so a client can not know that the person in the MUC with the pseudonymous nick “marmulak” is the same user as the “marmulak@example.com” on your block-list.