Hey Yvos, thank you for reaching out and I am sorry to hear you are having some email problems.
just to be clear sorry, you are changing some emails address over?
If you have sent one from the Virgin email, you should be able to login on this and still find the email most likely in the sent folder?
Have you been in the sent folder yet?
Also to confirm you still have active services with us?
You can manually do this but we wouldn't set up a server to send emails elsewhere, we can look at deleting the email address for you if you wish though?