Hi

Having problem to send email in OE 6.

please anybody help me to recover.

error message is:

The message could not be sent because one of the recipients was rejected by the server. The rejected e-mail address was '[email protected]'. Subject 'test', Account: 'mail.bbts.net', Server: '123.49.33.84', Protocol: SMTP, Server Response: '550 <[email protected]>, Recipient unknown', Port: 25, Secure(SSL): No, Server Error: 550, Error Number: 0x800CCC79