This is a different problem so you might have better luck creating a new topic. One thing you can check is to open the Samsung mail app and click on the hamburger icon in the top left of the screen. You will see "All Accounts" displayed and I'm wondering if you added the same email account twice. The only other thing to check is if you have more than one email account listed, but you might have one email account forwarding to the other. That I don't know how to help with.
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