Hi there Ukjw22!
I know once I've deleted an email I want it gone! Wow! I'm certainly sorry your Yahoo emails keep coming back to haunt you.
Thank you for all of the troubleshooting you've already completed. If you no longer see the deleted emails in your online Yahoo account server the only other thing I could think of may be Backup Assistant Plus.
You can access Backup Assistant Plus by logging into www.vzw.com and check out this how to page:
You may be able to find your emails here.
Let us know!
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The trouble is the emails keep coming back on my phone, not that I can't find them. It is so annoying - I am about to throw the phone away - it's like it's possessed or something. Sure wish I could figure out how to get these emails deleted for good.
"Life isn't about how you survived the storm ... it's about how you danced in the rain!"