Ok…..tried what Shakey said to do and it has worked , i recieve email from my normal account now.
However i tried sending an email to someone and it didn't work shows this error……….
The connection to the server has failed. Subject 'test', Account: 'pop.ntlworld.com', Server: 'smtp.three.co.uk', Protocol: SMTP, Port: 25, Secure(SSL): No, Socket Error: 10060, Error Number: 0x800CCC0E
Any ideas?