I am literally getting 6 or more of the same email to my phone!

I am soooooo frustrated!!!  I signed up with an alias only to find that I can't separate the emails as they come in because I didn't choose that option when sighning up.  I have tried several times the 'fix' of filtering the emails.  I was receiving TWO emails at a time to my phone, one for the old email and one for the new alias.  Frustrating.  So I deleted the old email from my phone thinking I would still get the emails come through on my new email.  A week or so goes by and I realized...wow, my emails have been quiet.  I haven't received any.  Come to find out they were no longer coming through to my phone because I deleted the old email.  So I added the old email back to my phone and all of a sudden all the emails I have missed started downloading and they keep downloading over and over again to the point where there are 6 or more of the same dern email!!!  I wish I would have never done this alias thing because I like my new email and now I can't separate it into a new account without releasing it for 30 days.  Then I have to hope I have disconnected all important emails from it since I have already distributed it as my new email. Stupidity at its finest level!! How can I fix this wihtout literally scrapping everything?