I think you need to contact them directly for help. Unless the application was written by Apple, it is not their fault.
Can someone tell me how to delete all my e-mails at one time. I have 700 emails on my iPad and cannot figure out how to delete them all at one time. I cannot imagine Apple not programming this feature in. I have searched and tried in vain to get this done. I have deleted some of them by checking a bunch one by one, but this is very time consuming.

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