A few preliminary questions...
Do you have a current VM broadband account?
Exactly what are the error-messages? Post them here without any personal identifiers such as your email address.
How are you trying to access your emails? Webmail or email client? What device(s)?
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A dog is for life, not just for Christmas.
A VM email account is NOT for life, its maximum span is the duration of its associated VM broadband account + 90 days.
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