When trying to send messages that I have in the outbox, I get the following error and the messages are not sent: "The message could not be sent because one of the recipients was rejected by the server. The rejected e-mail address was 'firstname.lastname@example.org' . Subject 'The monthly collection', Account: 'Test (Tiscali)', Server: 'smtp.xxxxxxx.xxx', Protocol: SMTP, Server Response: '550 relaying to prohibited by administrator', Port: 25, Secure(SSL): No, Server Error: 550, Error Number: 0x800CCC79" I checked the settings on my OE program but they are the way the should be. Could some one help me diagnose this problem? I am able to send messages to the addresses in question from other computerts but not from mine. What gives? Thank you. Regards, kshroben.