Are you using the correct username to login? It is the first part of your email address, before the "@" symbol. (do not type in @talk21.com)
Are you using the right password ? it is case sensitive, e.g. if your password is 'password', then 'Password' or "PASSWORD" will not work. Remember to check the Caps Lock light on your keyboard.
If you've forgotten your password it is possible to reset your password to a new one - to do this you will need the security information (eg mother's maiden name) which you entered when you originally created your account. To reset your password click here
Have you used your account recently ? The policy on talk21 is to remove your email account if it has been inactive for 90 days.
There may be a temporary system problem - call the service status recorded announcement free of charge - 0800 0285075"