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Comment by Arathorn | Hacker News Reader

https://thomask.sdf.org/blog/2016/12/11/riots-magical-push-n... is a great blog (back when Element was called Riot) explaining how it works :)

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The gist of it seems to be that Synapse/Dendrite calls home to the Matrix Company, which in turn pays Google to send a notification. That's awfully nice of them, but does not really leave any room for success. I take it larger clients with security requirements roll their own clients, and this is part of the business case?

It’s more that “whoever built your client has the keys to send push to it, so your synapse calls home to them.” And yes, that means that paranoid types need their own clients, and that is indeed a service that Element offers.

Doesn't the use of ntfy change this (Android only, I think)? Homeserver pushes to an ntfy topic, app on phone is listening to that topic. Of course, this just moves the intermediary to ntfy but you can also host a different ntfy server which I hope element supports.

It does. I use ntfy with a ntfy server on one of my VPSs, and I use the official ntfy account on GMS as an intermediary.

It works fine, but I'll probably switch back to Matrix's push server at some point.

Edit: With Synapse + Element, obviously.

Thanks for sharing. Are you switching back because of pricing, or reliability issues?

Just to clarify that... I'm pretty sure the notification doesn't actually contain any of the message though, it's just a notification to check the server for new messages.

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