Sending E-Mails as other unauthorized user with "owa" -app on Iphone.
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Thursday, May 24, 2012 12:38 PM
Hello toghether,
We have a strange issue since this week and couldn't find an explanation for this or a way to block this (Exchange 2010 SP2):
Several users use their Iphone with an app called "Outlook Web Email" to access their Emails via Outlook Web Access. Seems this app just logs into OWA and shows the mails in an easy to read way. If they send/or answer E-mails with this application the sender is always the same (another user in our environment - so user A,B,C,D always send as user E). User E reported this because he saw these E-mails in his "sent objects" folder. These e-mails in his folder have no header to analyze. Exchange message tracking results show user E as sender and reply to adress..
The application might be broken but why does the exchange server do/allow this? Deactivating Web Access is no option.
Does anyone has experienced something similar or knows a way to block this in an easy manner?
Thanks for your input!
All Replies
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Friday, May 25, 2012 9:07 AMModerator
Hi,
This might be caused by incorrect permission configuration. you may verify the permission settings of UserE from the EMC, or EMS:
Get-MailboxPermission
Hope it is helpful.
Fiona Liao
TechNet Community Support
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Friday, May 25, 2012 9:25 AM
Thank you,
but permissions are fine. Except himself and users like Organization admins etc... no one has permissions on this mailbox. Users A-E are not member of any of these groups.
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