Airmail uses a feature called Advanced Graphics, to enhance the visual aspect of the app. However on
older computers, this can slow the computer down.

To turn off this feature, please follow the following steps:

Open Airmail App
Open Airmail Preferences (⌘,)
Click on the Advanced Tab
Click on the select box to deselect Advanced Graphics
Quit and restart Airmail.

Advanced Graphics has now been disabled.
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