exchange 2010

i am not getting mails from @padres.com. I checked in mxtool box it shows blacklisted .in sorbs duhl? what is this

can this be a  reason emails are getting blocked at my proofpoint gateway.
pramod1Asked:
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Will SzymkowskiSenior Solution ArchitectCommented:
If it is blacklisted and your Anti-spam has that in it list this could vary well be the reason for emails bouncing back.

Will.
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pramod1Author Commented:
you said anti-spam (proof point) has that in the list? didn't get it
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pramod1Author Commented:
if proofpoint doesn't have the list , can email from that domain still be blocked
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Will SzymkowskiSenior Solution ArchitectCommented:
Your Anti-spam server gets updates from the internet. If it has been updated and has this domain in its list then that will casue it to flag this domain as spam.

Will.
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