You can use the spelling checker in Mailer to verify and correct the spelling in the message you are composing.
Choose Check Spelling from the Edit menu in the Compose window.
The Spell dialog box is displayed, showing the first instance of a potentially misspelled word under Word. Suggestions for the correct spelling are displayed in a scrolling list. For details, see "Correcting Misspelled Words" in Chapter 10, Using Text Editor .
The spelling checker is case sensitive.
Click Close to exit the Spell dialog box.