Help: Mail Quits Upon Launch For No Reason

[alchemistmuffin]

Yesterday, Mail was working fine for me.

Today, every time I launch mail, it QUITS UNEXPECTEDLY IMMEDIETLY FOR NO REASON.

IS THE MAIL.APP FILE CORRUPT, DO I NEED TO RE-INSTALL MAIL?

 

[glasserp]

Try this.
https://forums.macrumors.com/threads/557018/
and this.
http://davidlkinney.blogspot.com/2006/02/mailapp-crashing-on-startup.html