For the benefit of the Forum Team and other posters, waynemate has posted a fuller description of the issue on unrelated thread: https://community.virginmedia.com/t5/Email/Re-Keep-getting-quot-Your-e-mail-server-rejected-your-log...
"I have changed the password several times on wifi and mobile data.
I get message confirm identity with password box pop up
Have tried on virgin business internet wired and wifi
When i log on to virgin media .com i can log on to main email but other accounts says mailbox unavailable call customer services.
Having called them more than a dozen times
Got ticket numbers for IT dept to call me (no call)"
Coenoby
*******************************
I am just another Virgin Media customer.
If someone posts a useful reply you can say thanks by clicking on the thumbs up sign in their post.
If someone posts a message that solves your problem it helps everyone if you mark their post as a Helpful Answer