Reread the message. Correct your spelling and grammar. Now use software to fix the problems you didn't see.
Does this message help?
Did you ask a question? Should you ask a question?
Is it time to send it now? Or would later be better?
How much emotion is in it?
How late at night is it?
Did you get right to the point?
Should it be shorter?
Ask someone else to read it. Go for a walk.
Send it if you think that is the right thing to do.