Message Not Sent: Not Be Correct For Your Outgoing E-mail [SMTP] ServerNov 25, 2009
The message could not be sent. The authentication setting might not be correct for your outgoing e-mail [SMTP] server. For help solving this problem, go to Help, search for "Troubleshoot Windows Mail", and read the "I'm having problems sending e-mail" section. If you need help determining the proper server settings, please contact your e-mail service provider.
The rejected e-mail address was 'quentiDDSDa@wanadoo.fr'. Subject '', Account: 'pop3.o2.ie', Server: 'mail.o2.ie', Protocol: SMTP, Server Response: '550 5.7.1 Relaying not allowed: firstname.lastname@example.org', Port: 25, Secure(SSL): No, Server Error: 550, Error Number: 0x800CCC79