Email not recognised

[Babs71]

I have received an email letting me change my password but am getting red lines under my email when l enter my user name

[MI5]

@Babs71 

Who sent the email?

Contact O2 to be sure it isn't a scam.

Guide: How to find help & contact O2 

[madasaf1sh]

@Babs71 

If you get red lines under the email address it means your browser thinks it spelt wrong as it does with most email addresses

Do you get an error message when you click next?

Also unless you requested the email then do as advised above