Possible phishing email?

[CynicalOutlook]

Hi all,

I've just recieved two emails from 3 asking me to confirm my email address, but they look a little too much like Phishing emails to me - does anyone know if this are authentic. The emails look like:

Email screenshot 

Thanks.

[MZone]

All three emails come from the domain @ three.co.uk I can’t see the full email address to tell.