On the computer, I try by highlighting and clicking the trash icon and by dragging it to the trash and by the delete button. No matter -- I get the respnse shown below.
It does delete on the iPhone and iPad. What gives? Thanks
Back up all data. Rebuild the mailbox. Try to delete the message again.
Bingo! Thanks, Linc. When I rebuilt it, the offending email went away. I didn't even have to delete it.
Retrieving data ...