Get rid of that **** 'feature' that everytime I hit "backspace" my entire **** email disappears. I HATE THAT!!
I already did.
1st
ranked

Make sure you’ve selected the text field before hitting backspace, otherwise you may go back to the previous page in the browser.
If you still find that the issue is happening, please see this help page for troubleshooting:
https://help.yahoo.com/kb/new-mail/fix-problems-mail-sln28075.html?impressions=true
Thank you!
Mail Support