Exchange 2010 user claims emalls vanished due to her box being full

We have a Windows Active Directory domain using Exchange 2010. I have a user that supposedly has been here for over a year but only has a couple weeks worth of email. I added her mailbox to my outlook and she does only have about 300 items going back a couple weeks. Deleted items are almost empty. Are there some exchange powershell commands I can run to get an idea of her history, how long she has actually received emails, how big her mailbox was and what could have happened to her old mail? I recently asked out exchange dumpsters and found out most users are set with unlimited dumpster size. Is there a way for me to see what is in her dumpster and recover what is out there? I am in a situation where the users puts in tickets and never seems to be available to answer questions, just emails replies once and a while. I know there are some reports that would give me a better idea of her history. All advice welcome
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Thor2923Asked:
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Joy DingenenICT system consultantCommented:
Hello,

depending on your retention policy deleted mail is stored for x amount of days. If her mailbox was full, the standard behavior is to drop mail that comes in, not delete it.
Try this:
Get-Mailbox | Get-MailboxStatistics | sort TotalDeletedItemSize | ft DisplayName,TotalDeletedItemSize

The free tool (windows) ExchangeReports makes it very easy to check message tracking. That way you can check if she received the mail or not.

Hope this helps,
Joy
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compdigit44Commented:
You could run a message trace report to list all inbound messages to the users mailbox over a specified time span
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