I've just tried to log onto my blueyonder email account but it says the password has changed and I can't log in. I don't recall changing it what do I need to do as I'm concerned it's been hacked
Try the advice here (all of it!) https://www.virginmedia.com/help/virgin-media-mail-my-email-has-been-hacked
If you have any problems, please let us know and we'll try to assist.
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Let us know so we can help.