The message could not be sent. The setting for your outgoing email [SMTP] server might need to be configured. To find the server settings for '*** Email address is removed for privacy ***', please contact your email service provider.

Subject 'test'
Server Error: 473
Server Response: 473 *** Email address is removed for privacy *** relaying prohibited. You should authenticate first
Server: 'mail.wavecable.com'
Windows Live Mail Error ID: 0x800CCC79
Protocol: SMTP
Port: 25
Secure(SSL): No

Original title: I receive all email but can't send any email to addresses outside of own domain (wavecable) -- Server Error: 473