@C9nfused I'm afraid that it isn't possible to do that with the email address that you use. Both the email addresses belong to your ex's account as he is the account holder. Email addresses cannot be move individually between Virgin Media broadband accounts. Should your ex decide to close his VM broadband account then the email addresses will be closed down 90 days after the service ceases. Whilst the account remains open he has full control over the email address that you currently use and he could close it at any time or change the password on the account.
You best move is to create a new email address with one of the free email providers such as Gmail or MS Outlook. These are not tied to any specific broadband account. Do this as soon as possible so that you have plenty of time to inform your contacts and change any log in accounts that are currently tied to the virgin email address.
I'm a Very Insightful Person, I'm here to share knowledge, I don't work for Virgin Media, I'm a VM customer. There are no guarantees that my advice will work. Learn more
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Unfortunately what has been advised above is correct - we cannot move/transfer individual email addresses. We can only transfer all of the email addresses from an account at the same time - and we would need to complete security checks with the previous account holder and get their permission to go ahead with this as well.
If it's something you'd still like to go ahead with based on the above, please let us know and we'll get in touch via PM to complete security-checks and proceed with the transfer.