Documentation and openly accessible building blocks for independent, understandable communication, without a mandatory platform account.
CrossPoint · SD plugin · 0.6.0
Letters on the X4Ente
The CrossPoint SD plugin lists encrypted letters held by the Posthalter, requests EPUB conversion, and acknowledges successful delivery to the device. A file-manager interface provides setup. No reader firmware fork is required.
Download plugin ZIP · Plugin instructions (German)
In the CrossPoint web Plugin Store, add the following public catalog URL:
https://know.blattlauspost.de/crosspoint/catalog.json
CrossPoint-Cover
The separate cover and standby-image area is served statically. More files can be published there without changing the Python application.
Open cover directory
Plugin source files are available for direct inspection and download. The catalog is only a directory; the messaging infrastructure remains independent of it.
Catalog notes (German) · device.json · plugin.js