Play a Sound When New Mail Arrives

You can change the sound Postbox makes when a new message arrives to whatever sound you want. To change the sound, use the following instructions.

  1. Open the General preferences window.
    • (macOS) Postbox > Preferences > General
    • (Windows) Tools > Options > General
  2. Select Use the following sound file.
  3. Click Browse to select the sound file to use.
    NOTE: The file must be in .wav format.
  4. After you have selected the file, click Open.

To test the sound file after you've set it, click Play.