Have you checked 'My server requires authentication' option ? -----Original Message----- From: David N. Precht [mailto:discussions@xxxxxxxxxxxxxxxxx] Sent: Sunday, September 08, 2002 12:46 AM To: [ExchangeList] Subject: [exchangelist] RE: Problem in express http://www.MSExchange.org/ Do you have more than one account setup in Outlook Express? -----Original Message----- From: Raed M. Dummor [mailto:raed@xxxxxxxxxxx] Sent: Thursday, September 05, 2002 03:04 To: [ExchangeList] Subject: [exchangelist] Problem in express http://www.MSExchange.org/ Hi Could any one guide me in this while using outlook express I have got this error message . The message could not be sent because one of the recipients was rejected by the server. The rejected e-mail address was '----------'. Subject -----', Account: '------', Server: '-----------', Protocol: SMTP, Server Response: '550 5.7.1 Unable to relay for -----', Port: 25, Secure(SSL): No, Server Error: 550, Error Number: 0x800CCC79 Regards Raed ------------------------------------------------------ You are currently subscribed to this MSExchange.org Discussion List as: discussions@xxxxxxxxxxxxxxxxx To unsubscribe send a blank email to $subst('Email.Unsub') ------------------------------------------------------ You are currently subscribed to this MSExchange.org Discussion List as: yudha.hawari@xxxxxxxxxxxxx To unsubscribe send a blank email to $subst('Email.Unsub')