Windows Mail: Automatically Spell Check All Email Before Sending
Contributed by shamanstears 
April 25, 2007 
Tagged: Microsoft Vista
You can make Windows Mail automatically spell check all outgoing e-mails before sending. The following option will force this to occur before you send out composed messages:
1. Click Tools.
2. Select Options.
3. Select the Spelling tab.
4. Check Always check spelling before sending.
5. Click OK.