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Mails not getting into mailbox Exchange 2010 - Server 2008

Posted on 2014-01-19
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Last Modified: 2014-03-23
Hello,

I have weird problem, its probably somehting small but I can't figure out whats going wrong.

Our client has a server 2008 r2 running Exchange 2010, they where using pop3 accounts on the cliënt itself to get mails. Over the weekend I changed the mail delivery directly to the server, I edited the DNS settings on the webserver, opened the ports, edited all the passwords and tested the OWA setup, everything works fine, I can access the OWA internally and externally using the new passwords.

But no mails are getting into the mailboxes. when I use the message tracking results I can see my test mails arriving fine. But I can’t see them in the mailbox. When I try to create a new Exchange profile on a client pc in the domein, the autodetect settings work fine, but when I open outlook it asks for the username and password, I will not accept the correct credentials. But het old profile works fine (still connected to Exchange, does not prompt for password) but no mails are getting in the box?
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Question by:Benderama
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Expert Comment

by:Patricksr1972
ID: 39792017
Hi

Mails arent visible in OWA neither? If not, how is your recieve connector configured in ESM?
I have a hunch that if you do see testmails coming in but not delivered exchange is dropping it because e.g. the sending mail server is not allowed in your exchange or anti-virus products are blocking it or something like that.
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Author Comment

by:Benderama
ID: 39792024
Hello, no I can see the new mails in OWA neither.

I only have the default recieve connector under Hub transport.
It is configured like this:

Under "general" I have the FQDN setup like this:

hostname.domeinname.local

Under "network"
all available IPv6 & IPv4 are listening on port 25
All IP are accepted

Under authentication everything is checked accept for
Externally secured (for example, with IPsec)

Under permissions everyting is checked accept for
Partners

I disabled all antispam/antivirus to test, no joy.

Thanks for the quick reply tho!
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Expert Comment

by:Patricksr1972
ID: 39792032
Ok, so i trust you disabled AV and local firewall and mail still arent delivered. (no extra anti-spam software installed?)
If there some policy that sets Outlook Spam settings to "Permanently delete suspected junk email instead of moving it to the junk email folder"?

If yes try to disable that and send some test message again.
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Author Comment

by:Benderama
ID: 39792063
I can't find any policy like that, I can't figure out why I can't configure a new Exchange profile on the client pc without getting the password prompt?

I'm also noticing that I can't delete any mails in OWA, could this be related?
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Author Comment

by:Benderama
ID: 39792069
Hmm, seems I also can't send a mail from a exchange user to its own mailbox.
I don't get any errors or failure reports..
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Accepted Solution

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Benderama earned 0 total points
ID: 39792090
soved it.. when I first started on this server on friday I noticed there where some duplicate users in the active directory.

because I was unsure why they where ever created I just disabled them and deleted all relevant info (email adress, changed username)..

but when I was setting up the Exchange server I was using the e-mail adress policy script to unify all the adresses, so Exchange created dublicate adresses so the mails went nowhere. or maby to the disabled user.. anywho, deleting them did the trick..

thanks for the help!
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Expert Comment

by:Patricksr1972
ID: 39792115
Great find.... glad you got it running again.
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Author Closing Comment

by:Benderama
ID: 39948370
My mistake..
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