Spell Checker Settings dialog
This dialog lets turn on or off dictionaries you want to use to spell check your message. AY Mail does not have a built-in dictionary. When you use spell checker for the first time you will be given an option to go to Northern Software website and download a dictionary for your language.
More button lets you download more dictionaries for your spell checker.
Ignore words with foreign characters check this option if you want your spell checker to ignore words with characters from other alphabets.