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Asif NaeemFlag for United Kingdom of Great Britain and Northern Ireland

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Delivery has failed to these recipients or distribution lists

Hi,

we have commonal mailbox and user are the member of this mail box with Manage full permission Exchange 2007. Mailbox is Universal---Security group and all user are member of this but still few users are getting this error message.
 
Delivery has failed to these recipients or distribution lists:

Smith.Griffiths
You are not allowed to send this message because you are trying to send on behalf of another sender without permission to do so. Please verify that you are sending on behalf of the correct sender, or ask your system administrator to help you get the required permission

Please help how to resolve this problem

Thanks in Advance.

Ramay
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Deadman
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Did you only recently add the users to the Universal Security Group? If so, have they logged out then logged back in after you added them to the group?
There might be permission issue. Please check following link, here we have step by step procedure to provide acess...
http://technet.microsoft.com/en-us/library/aa996343(v=exchg.141).aspx
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ASKER

Hello Guys,

Many Thanks for help and comments on this. i have already set-up Manage Full Access permission for Group of User for this mailbox. But when One of user tries to  Forward the email to other user ( like manager wants to forward it to other user for Action) user gets this message.

Thanks
Problem Solved