Exchange 2010 - User can send and receive emails from internal users and can send to external but can't recieve from external users

Hope Someone can help me.

Recently users mailbox was full & we made changes on the exchange, gave him more space. Also user cleaned his mailbox. after doing that user still unable to receive mail from outside emails. I can see the emails hitting our spam filter and no error message on other end as well. user exist in the spam filter as well. btw we are using barracuda.

Any help will be much appreciated.
AJolaAsked:
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Jeff RodgersNetworks & Communications Systems ManagerCommented:
Anything in your Submission Queue?

Did the user actually clean his mailbox (or just throw everything into the Deleted Items folder and leave it there)?  What is the size of the mailbox vs Mailbox restrictions?  How does the size of his mailbox compare to the restrictions?

I'd run the Powershell

Get-MailboxStatistics to check the size of the mailbox
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Will SzymkowskiSenior Solution ArchitectCommented:
When you make changes to a mailboxes referencing the Size/capacity this is not an instant change. Use the following command to view the StorageLimitStatus. 

Get-MailboxStatistics -Identity user1 | select DisplayName, StorageLimitStatus

Open in new window


If the StorageLimitStatus says Prohibit Send or Send/Receive this is your issue. Your changes have not propegated yet.

Will.
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AJolaAuthor Commented:
Hi Will.

It shows StorageLimitStatus : Below Limit
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Amit KumarCommented:
Please see if "Require that all senders are authenticated" check box is marked in user properties --> mail flow settings --> Message delivery restrictions. If it is marked please remove it and check
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John ChristopherAnylystCommented:
There might be several reasons for this to happen, as already discussed by the other experts, just wanted to share an instance which helped resolve a similar issue with one of my users.

Deletion of log files from C:\Windows\System32\winevt\Logs was the cure in his case, daily exchange logs were getting accumulated and coz of which not enough disk space was left and the server stopped delivering messages.

Once some of the logs were cleared, email started to flow in.

check if this helps

Thanks & Regards
john christopher
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hecgomrecCommented:
Please try to connect directly to the exchange server using a browser instead of a client.

Using OWA try to see if the users has all missing emails, if this is correct I will remove the users settings on the client computer and recreate the profile.  If emails still don't flow as expected check user mailbox for Send/Receive limits and increase them to match user's needs.

As mentioned earlier, there are several things to consider when trying to reduce a mailbox size, like retention times for deleted messages and backup frequency.
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