Enable Mail Plug-in
  1. 1.
    Click โ€œInstall Mail Plug-in...โ€ from the AltServer menu.
  2. 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 โ€œManage Plug-ins...โ€
5. Enable AltPlugin.mailbundle.
6. Click โ€œApply and Restart Mailโ€ to finish installing the Mail plug-in.
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