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Exchange 2010 question

Posted on 2013-06-17
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Last Modified: 2013-06-19
How do I disable an exchange mail account from opening other mailboxes?
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Question by:mac30
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5 Comments
 
LVL 22

Expert Comment

by:Haresh Nikumbh
ID: 39252890
if you have the proper permissions, you can access another users Inbox or complete mailbox using the OWA 2010 GUI

Please refer below link which state how to enable send as or full access permission. if someone account is already configured then you have to remove that account

http://hosting.intermedia.net/support/kb/default.asp?id=1831

https://hosting.intermedia.net/support/kb/default.asp?id=718
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LVL 63

Expert Comment

by:Simon Butler (Sembee)
ID: 39252974
By default it cannot. No user should be able to open other mailboxes by default. If that is happening then you have a problem with your permissions structure. You need to identify what permissions the user has and where they are getting them from. Only two permissions give access to mailboxes - Full Mailbox Access and Receive As. See whether the user has those, either directly or via inheritance or group membership. Then undo the permissions.

Simon.
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Author Comment

by:mac30
ID: 39252988
When I add the mailbox to a new pc, the mailbox opens ok. But it opens a few other mailboxes too. I didn't set up up to begin with, would like to know how to stop it from happening.
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LVL 11

Expert Comment

by:Dmitriy Ilyin
ID: 39253071
Get-Mailbox -resultsize unlimited | Get-MailboxPermission | where { ($_.AccessRights -eq "FullAccess") -and ($_.IsInherited -eq $false) -and -not ($_.User -like "NT AUTHORITY\SELF") -and ($_.User -like "DOMAIN\YOURACCOUNT")} | ft identity, user -Wrap
change bold to your account and run command
after that remove full mailbox permissions from these mailboxes.
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LVL 13

Accepted Solution

by:
imkottees earned 500 total points
ID: 39253179
Hi,

That should be automapping i believe, remove full mailbox permission for that user.
http://technet.microsoft.com/en-us/library/hh529943(v=exchg.141).aspx
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