Send on behalf of emails visible to the Sender mailbox.
Delegate is sending the email on behalf of the sender but actual sender can’t find them in the sent items.
In other words sent on behalf of emails are not showing in Sent Items of the Sender whose email id was used to send email and the email is showing in the delegate Sent Items. Now the problem is how sender would know what the email content was.
Solution:
The below mentioned hotfix for outlook is not working in exchange 2010 environment
http://support.microsoft.com/kb/2181579
Microsoft confirms that this is the issue by design and to fix it we need to follow the below steps:
Install SP2 RU 4v2 from the below link:
http://www.microsoft.com/en-us/download/details.aspx?id=34956
Run the below powershell cmdlet
Set-MailboxSentItemsConfiguration <mailbox id> -SendAsItemsCopiedTo SenderAndFrom -SendOnBehalfOfItemsCopiedTo SenderAndFrom
PS: Until you install RU4 v2 you will not be able to run this cmdlet.
Reference: http://support.microsoft.com/kb/2632409
Prabhat Nigam (Wizkid)
Team@ MSExchangeGuru