The message could not be sent because the server rejected the sender's e-mail address. The sender's e-mail address was ***removed for privacy***.

Subject 'Re: test'

Server Error: 530

Server Response: 530 authentication required

Server: 'smtpout.secureserver.net'

Windows Live Mail Error ID: 0x800CCC78

Protocol: SMTP

Port: 25

Secure(SSL): No

I have set up an account on my work computer and I can receive emails but can not send them. I have tried changing the Port number to 587, 465 and even 80. None of these have worked and I could really some help please.