The relay client makes printers on Windows, macOS, Linux and NAS devices available as destinations. It only connects outbound, updates itself and needs no open ports.
Version 1.0.0-rc.1, released October 15, 2026
The program is not code-signed yet. Your system may ask for confirmation before the first start.
Double-click the downloaded file. It installs the relay client for your user, starts it automatically and opens your browser: sign in as an admin and confirm the code shown. If Windows warns about an unknown app, choose “More info” and “Run anyway”.
To connect further organizations later:
Open Terminal and run the downloaded file once. It installs the relay client for your user, starts it automatically and opens your browser to confirm the connection:
To connect further organizations later:
Run the downloaded file once. It installs the relay client for your user (systemd user service), starts it and shows a link to confirm the connection. On servers, run it with sudo and the argument install --system for a system service:
To connect further organizations later:
For Synology, QNAP, Unraid and other systems with Docker. Printers are addressed directly via IPP; list them in SEALEDPRINT_PRINTERS. Updates come with new image versions.
Start the container with the address of this server:
docker run -d --name sealedprint-relay --restart unless-stopped -v sealedprint-relay:/data \
-e SEALEDPRINT_CLOUD_URL=https://www.sealedprint.com \
-e SEALEDPRINT_PRINTERS="Office=ipp://192.168.1.20/ipp/print" ghcr.io/nova-digital-group/sealedprint-relay:latestWhile it is not connected, the container log shows a code and a link. Open the link, sign in as an admin and confirm the code: