Mail Error

[Ronen Engler]

Hello all, i need your help. I installed the named nad mail server... (sendmail...) when i try to send email to the computer: [EMAIL PROTECTED] the mail arrive and everything is ok, but when i try to send to: [EMAIL PROTECTED] i got this error: ----- The following addresses had permanent fatal errors ----- <[EMAIL PROTECTED]> ----- Transcript of session follows ----- 554 MX list for bbb.com. points back to aaa.bbb.com 554 <[EMAIL PROTECTED]>... Local configuration error   What is that "Local configuration error"? the dns sends the mail to the right place: from bbb.com to aaa.bbb.com (the same machine) but why is this error? please help me. 10x RoneN