adding email in user CP

[Skytel]

I am trying to add my email in the user CP but getting a message saying my email has been banned tried a different email but same message.
it is a hotmail.com one are these accepted?

[Conquering Bear]

pm me it i,ll change it in cp

hotmail.com not banned as far as i,m aware

[Conquering Bear]

added it and sent you test mail

[Skytel]

not received anything
I have got my my instant notification on for replies
but i can see the email addy has been added now though
thanks Conquering Bear