there is a bug in recent release that causes this to happen if there is no default email account defined. please go to account settings and verify. the default account will have a star icon to the right of name.

pop.earthlink.net this is in the account do not see a star

Is there a button on the right with wording such as 'set as default'?

above it there is

Click the button and that will fix the problem.

awesome back up and running THANK YOU

You are very welcome. :)