Hi, Exchange 2003 SP2. I have created a public folder which users need to send on behalf of. I have added the users into the Send on behalf permissions. If the user types an email and then selects the GAL contact for the public folder in the from field then it all works as expected... If the user enters the email address of the public folder directly into the from field and then sends the message they get a bounce back: You do not have permission to send to this recipient. For assistance, contact your system administrator. I am just trying to work out why this is and how send on behalf works... Is it because by putting the email address in directly Exchange thinks you are attempting to Send As?? This is a bit confusing... Thanks

Hi, Are you sure that you are giving correct address in From address? Does it resolve the name in outlook?

I cant reproduce the issue in the lab My lab: Exchange server 2003 SP2 + Outlook 2003 SP2 The steps I used to set the On behalf of permission: a. Go to ESM b. The Properties of public folder c. Exchange General tab->Delivery Options button d. Set the permission to users e. Tried to select public folder from GAL and manually input the address to FROM field, either ways work So, please double-check the address as Amit said, and you may check the affected scope for this issue, how many users were affected?

Hi, how's issue now?After set the permission, it would take some time effect, or we can restart the "Information Store" service to clear the store cache to let the permission effect immediately

We have the same problem in Exchange 2010 (build 14.01.0270.001). Only one user has this problem. Other users don't have this problem (same permissions, same group,...) If I search with powershell to the LegacyExchangeDN of the users I see some differences (I guess that some users where made in 2003 environment, others in 2007) So the old mailbox legacyExchangeDN would be like: /o=<domain>/ou=<ou>cn=Recipients/cn=<username> And the new one like: /o=<domain>/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Recipients/cn=<username> The public folder has a LegacyExchangeDN like: /O=<domain>/OU=EXCHANGE ADMINISTRATIVE GROUP (FYDIBOHF23SPDLT)/CN=RECIPIENTS/CN=<name public folder>RECOVERED105DD1FB478F11326D50A3BB1AF5F926116030 I don't know if this has someting to do with it, but the user who has this problem has the "old" legacyExchangeDN. I don't know if I can Edit this line... But maybe I'm going the wrong direction and has this problem nothing to do with legacyExchangeDN.. It's a weird problem as not everyone has it (and with all the same permissions) Clients using same OS (Win7x64 with office 2010)