I'm really sorry to hear that you've been having issues with the email settings on your phone, I think it's best to pop this post onto the Mobile board, as I'm probably not the best person to discuss this. I'll move your post.
In order to help the community assist you further, could you please let us know the following:
What make phone are you using?
Is the software the latest version?
Is the email address a Virgin Media email address? (please do not give your full email address)