Is there a way to set Yahoo Mail to check for misspellings before your email is sent?

In the classic mail where you type your message look for abc with a check mark in the toolbar, it's the first icon. Click that.

Is there a way to set Yahoo Mail to check for misspellings before your email is sent?
you can spell check it with a button in the tool bar but that's Only if you have the old version i think.