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# MSC2689: Allow guests to operate in encrypted rooms
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[#751](https://github.com/matrix-org/matrix-doc/pull/751) granted guest users access to several endpoints in order to allow them to use E2EE.
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I found that guests are able to join encrypted rooms and read messages from other members. But when the
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guest wants to send an event into the room the client receives a "guest access not allowed" error
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for the `/rooms/{room_id}/members` endpoint. I assume the client tries to read the list of room members
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to prepare the encryption of the event for the present members. Tests with a patched Synapse showed that
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allowing guests to use this endpoint results in a normal behaviour and enables guests to communicate in
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encrypted rooms.
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## Proposal
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Allow guests to use the `GET /_matrix/client/r0/rooms/{room_id}/members` endpoint to enable them to
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operate properly in encrypted rooms.
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## Alternatives
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The list of room members could also be read from the sync. However that would not work with Lazy Loading.
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