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Play a Sound When New Mail Arrives

In macOS, notification sounds can be adjusted in macOS > System Preferences > Notifications > Postbox > Play sound for notifications.

For both macOS and Windows, you can change the sound Postbox makes when a new message arrives:

  1. Open the General preferences window.
    • (macOS) Postbox > Preferences > General
    • (Windows) Tools > Options > General

      play-sound_2x.png
  2. Click Browse to select the sound file to use. The file must be in .wav format.
  3. Select Play the following sound file.
  4. After you have selected the file, click Open.

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