The AcpiNotifier plugin handles the email LED found on some laptops. It makes it possible to see whether you have new emails from the other side of the room, without even unlocking the screen. The plugin handles the following types of laptops:

• ACER,
• ASUS,
• IBM,
• Fujitsu,
• and others

Here are a few screenshots illustrating the features:

• The plugin preferences page, showing a warning, because the user has chosen the wrong ACPI type for his laptop.
  
   
   
• an ASUS laptop with new mail: