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Exchange 2007 Public Folders only receiving emails from internal Addresses since Migration from Exchange 2003

Hello,
We migrated from Exchange 2003 on a  Small Business Server to Exchange 2007 Service Pack 2 64bit on an Windows 2008 Standard Edition 64 bit server  2 weeks ago and ever since then I can't seem to get our Exchange 2007 public folders to receive emails from ANY outside of the domain address (works perfectly from within the domain).

I've checked the permissions for the folders and theirs no deny rules or anything. If I send an email from within the company to that email address it will reach it without issue.

I've checked the Message Delivery restrictions under the properties tab for each folder and it's set to receive messages from All Senders and to reject messages from No Senders.


This just happened since our migration from Small Business Server to Exchange 2007. Seeing as it's working internally the public folders are indeed mounted and working correctly. Any help would be greatly appreciated.

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ntmyflt
Asked:
ntmyflt
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2 Solutions
 
BrianKronbergCommented:
Check your public folders and ensure they have Anonymous = Contributor.  External email need at least contributor or the email delivery will fail.
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ntmyfltAuthor Commented:
Hi Brian,
Thanks for the quick reply, can you let me know exactly where I can check this?

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ntmyfltAuthor Commented:
Hi Brian,
I ran the following command on one of the problem folders and this is what I received (I changed the domain name for <localdomain>  to keep this thread somewhat anonymous)

[PS] C:\Program Files\Microsoft\Exchange Server\Scripts>Get-PublicFolder \salesf
ax -recurse | Get-PublicFolderClientPermission

Identity                   User                       AccessRights
--------                   ----                       ------------
\salesfax                  Default                    {Author}
\salesfax                  localdomain.local/Use... {Owner}
\salesfax                  Anonymous                  {CreateItems}


So it does seem the public folder has create items ability for Anonymous users

Any other suggestions?

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BrianKronbergCommented:
Did you redirect incoming email (SMTP port 25) to go directly to the 2007 server on your firewall?  If you did, check message tracking to see if you have anything for the public folder's email address.
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ntmyfltAuthor Commented:
Hello I just finished checking message tracking and the server can only find any emails that were sent internally. It seems that all external emails to the public folders don't show up at all (as if they never even came in)

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BrianKronbergCommented:
You did not answer the question about the firewall.  Are there any stops on your network prior to Exchange 2007?  Does external email go through 2003 still?  If so, are PFs still on there accepting the delivery?  Do you have any external AV/SPAM that does a user lookup (PFs are not users)?
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ntmyfltAuthor Commented:
Sorry about that,
Yes all our mail goes through Message Labs (external Spam and A/V) -- and then the firewall rules were pointing still to the Small Business Server (probably not a good idea) .
So I changed the rules to point directly to the exchange 2007 server directly (Source and Destination Rules). Now I can send emails out but am not receiving any emails (to any mailbox at all) coming in.

Suggestions?
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BrianKronbergCommented:
You need to check the "Anonymous" box on the receive connector.

Go here and scroll down to the section for "Redirecting Inbound Mail to the Exchange 2007 Server"
http://www.msexchange.org/tutorials/Transitioning-Exchange-2000-2003-Exchange-Server-2007-Part3.html
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ntmyfltAuthor Commented:
That fixed the rest of the issues.
My public folders are working now and emails are flowing. Amazing, thank you soo much!

I really appreciate this :)
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