Postfix mail for mydomain.com loops back to myself Problem

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http://askubuntu.com – I'm using vps server with ubuntu 10.04 when i send email to Gmail it's ok but for Hotmail fails, i check my logs i find this: Mar 19 18:09:01 mail postfix/smtp[6340]: 8FAF722294: to=<[email protected]>, orig_to=<root>, relay=none, delay=0.09, delays=0.08/0.01/0/0, dsn=5.4.6, status=bounced (mail for mydomain.com loops back to myself) I look around inforums to find the solution but in vain even i changed my Postfix settings: My destination setting was like this mail.mydomain.com, localhost.mydomain.com, , localhost i changed it to this $mail.mydomain.com, localhost, localhos (HowTos)