📩Enable Mail Plug-in

1. Click “Install Mail Plug-in...” from the AltServer menu.

2. Enter your password to grant AltServer permission to install the plug-in.

3. Open Mail (quit Mail first if it was already running).

4. Open Mail > Preferences and click “Manage Plug-ins...”

5. Enable AltPlugin.mailbundle.

6. Click “Apply and Restart Mail” to finish installing the Mail plug-in.

7. Return to the previous page to finish installing AltStore.