Mail Delivery Failure

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>>> abdo105 at hotmail.com.confirm.to (after MAIL FROM): 554 <pkg-mate-team at lists.alioth.debian.org>: Sender address rejected: Relay access denied: pkg-mate-team at lists.alioth.debian.org is not a registerd confirm.to useryet. Please sign up at http://www.confirm.to/ for free !
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