Bonfire shared inbox usage
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Hi @mayel@sunbeam.city, does Bonfire utilise the
sharedInboxvalue?I noticed this come through my nginx logs today:
128.140.127.206 - - [21/Jan/2026:19:58:04 +0000] "POST /uid/1/inbox HTTP/1.1" 500 128 "-" "https://btfree.social - Bonfire ActivityPub federation" "-"/uid/1/inboxis an endpoint specified in my user'sinbox, but that actor also sends"endpoints":{"sharedInbox":"https://activitypub.space/inbox"}, so wanted to double-check that Bonfire uses it. It should, it helps reduce the number of requests to send if multiple users belong to the same server <img class="not-responsive emoji" src="https://activitypub.space/assets/plugins/nodebb-plugin-emoji/emoji/android/1f604.png?v=aa0c143f12c" title="
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R AodeRelay shared this topic on
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@julian@activitypub.space Hi yes we send to sharedInbox when there's more than one recipient on that instance, otherwise direct to to the user's inbox.
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@julian@activitypub.space Hi yes we send to sharedInbox when there's more than one recipient on that instance, otherwise direct to to the user's inbox.
@mayel@bonfire.cafe oh that is an interesting choice. I suppose that makes sense, I never really thought about it. NodeBB just sends to shared inbox if available.
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@julian @mayel subtle difference: sharedInbox is not delivering to the individual inboxes, and it is not strictly delivering to the addressed actors either. what it *actually* means is "make the shared inbox decide who gets it, using the addressing as a *hint*". in theory, the shared inbox is supposed to distribute the activity to the appropriate inboxes internally. this, of course, leads to Problems when the shared inbox doesn't understand a specific recipient (like with private collections)
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@julian @mayel subtle difference: sharedInbox is not delivering to the individual inboxes, and it is not strictly delivering to the addressed actors either. what it *actually* means is "make the shared inbox decide who gets it, using the addressing as a *hint*". in theory, the shared inbox is supposed to distribute the activity to the appropriate inboxes internally. this, of course, leads to Problems when the shared inbox doesn't understand a specific recipient (like with private collections)
@trwnh@mastodon.social that sounds like a them problem not a my problem
