Add ip bindings to .env and Add stalwart-cli install script

scripts/README.md

@@ -2,6 +2,52 @@
 
 These scripts support the EternityMail Docker Compose deployment. Run them from the repository root.
 
+## `install-stalwart-cli.sh`
+
+Installs the latest official `stalwart-cli` release on Linux. The upstream installer places the binary in the system executable path, normally `/usr/local/bin`.
+
+Requirements:
+
+- Linux
+- `curl`
+- `sudo`, unless the script is run as root
+
+Usage:
+
+```bash
+chmod +x scripts/install-stalwart-cli.sh
+./scripts/install-stalwart-cli.sh
+```
+
+Verify the installation with:
+
+```bash
+stalwart-cli --version
+```
+
+## `install-stalwart-cli.ps1`
+
+Installs the latest official `stalwart-cli` release on Windows using the upstream PowerShell installer. The official installer uses a user-local executable directory and updates the user PATH.
+
+Requirements:
+
+- Windows PowerShell 5.1 or PowerShell 7+
+- Internet access to GitHub Releases
+
+Usage from PowerShell:
+
+```powershell
+.\scripts\install-stalwart-cli.ps1
+```
+
+Open a new terminal if the current shell cannot find the command, then verify it:
+
+```powershell
+stalwart-cli --version
+```
+
+The scripts always download the current release from the official Stalwart CLI GitHub repository. Review the upstream release and installer before using them in a restricted or audited environment.
+
 ## `generate-des-key.sh`
 
 Generates a random 24-character alphanumeric value for Roundcube's `RC_DES_KEY` setting.