The message could not be sent because one of the recipients was rejected by the server. The rejected e-mail address was [email=]'XXX@XXXXX.com.cn'[/email]. Subject 'Fw: abcdefg', Account: 'mail.mygroup.com', Server: 'mail.mygroup.com', Protocol: SMTP, Server Response: '554 <XXX@XXXXX.com.cn>: Relay access denied', Port: 25, Secure(SSL): No, Server Error: 554, Error Number: 0x800CCC79