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After added more email domains to exchange all emails are going to the postmaster NOT users - Please help

Posted on 2006-04-04
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I have added 2 domain names to our company. These are pointed form the ISP to a catchall mailbox.  From there they are collected (along with our existing domains) by POP3 connector and router into Exchange.  All this works fine, untill

untill they are split up to go to the users. at this point, the email for the 2 new domain goto the postmaster!

I have added entires into ESM recipet polices and updated all the user accounts & checked these.  I have also run the Recieipt update manger (update & rebuild) within ESM for both local domain & Enterprise No Effect.

Please help.
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Question by:sifenwick
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by:Jeffrey Kane - TechSoEasy
ID: 16368297
sifenwick,

The Exchange Recipient Policies will have little effect on the POP3 connector's behavior.  

Is there any reason you are not using your Exchange SMTP to receive the mail instead of your ISP catchall?  It will be much more efficient than using the POP3 connector.  

You'll find a great how-to for making the move from POP3 to Exchange Server here:
http://ts2community.com/blogs/jwlocke/archive/2005/12/17/507.aspx

And, then you can follow this great guide on how to host multiple domains:
http://seanda.blogspot.com/2004/10/hosting-multiple-domains-on-sbs-2003.html

Following this method, you will have a much better configuration that you can monitor and control much easier.

Jeff
TechSoEasy
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by:sifenwick
ID: 16369271
Thanks for yout quick reply!  The problem really is that if I send an email to sam@newdomain1.co.uk it gets routed to the postmaster. I have checked that the users name has got "sam@newdomain1.co.uk" as an SMTP address under his name. So therefore I am sure that even if the POP3 connector D/l the mail to a global domain it should still land in the users mail box, NOT the postmasters!

This is what is confusing me.
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by:Jeffrey Kane - TechSoEasy
ID: 16373001
That would only be the case if you configured the POP3 connector to do that... having the SMTP address under his name has almost NOTHING to do with the way that the POP3 Connector works.  If you have three separate domains, then you need to have three separate POP3 configurations.  

I don't think you can have it parse them all out of a single global POP3 mailbox.

Jeff
TechSoEasy
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Jeffrey Kane - TechSoEasy earned 2000 total points
ID: 16373124
FYI, here's a thread on the same subject and it seems even with three separate POP3 global mailboxes there will still be problems:
http://snipurl.com/oo85

I'd really suggest that you configure Exchange to handle the messages since it does this really well!

Jeff
TechSoEasy
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by:sifenwick
ID: 16379557
I acceptwhat you are saying about exchange doing all the work but does that not leave exchange wideope foropen relay? or is this easyto secure?
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by:Jeffrey Kane - TechSoEasy
ID: 16381373
No, by default open relaying is disabled... (as this KB states: http://support.microsoft.com/kb/268838).  But you can always just check to make sure http://www.petri.co.il/preventing_exchange_2000_2003_from_relaying.htm

It is pretty easy to secure.... especially if you follow the directions in configuring to begin with so that you don't open it up.

Jeff
TechSoEasy

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