strange email address in Exchange 2010

Hello,

I have recently discovered that we have a lot of strange email addresses in our Exchange 2010.  I found this out during a simulated LDAP synchronization with GFI Mail Essentials Online.   Here is a sampling of some of the email addresses:

globalevents2@calvaryspringfield.org
globalervent5@calvaryspringfield.org
publicfolder47223027@calvaryspringfield.org
proceeds5@calvaryspringfield.org
controls@calvaryspringfield.org
globalevents7@calvaryspringfield.org
microsoft2@calvaryspringfield.org
exchangev12@calvaryspringfield.org
internal4@calvaryspringfield.org

These users do not show up in the Active Directory Users MSC.
Any ideas what they are?   Please advise.  Thanks.
rstuemkeAsked:
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Simon Butler (Sembee)ConsultantCommented:
Most of those are public folders, specifically public folders. The only one that I don't recognise is the "proceeds5" address. You can search the domain to see what object the address is attached to.

This should work to find the address:

Get-Recipient -resultSize unlimited | select name -expand emailAddresses | where {$_.smtpAddress -match "user@example.com"}

Then do
get-recipient name

 to see what the object is.

Simon.
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