Recover the permanently deleted mails

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This procedure can recover mails which were deleted by pressing shift+del in the past 4 days only.Recovering Permanently Deleted Mails (Including Sub-Folders)This document gives the procedure to recover shift deleted [permanently deleted] mails from Microsoft Outlook.Procedure: 1) First go to Run and type regedit2) Go to:\HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\EXCHANGE\CLIENT\OPTIONS registry key.3) Right click options and add new DWORD VALUE (data type is REG_DWORD) and then right click and rename to DumpsterAlwaysOn. It is case sensitive.
4) Then rights click and modify and make the value 1 to turn the Recover Deleted Items menu choice on for all folders or enter 0 to turn it off.
5) Then go to Outlook , choose "Recover deleted items" option from the ToolsMenu to get back your "permanently deleted" mails!Note : This procedure can recover mails which were deleted by pressing shift+del in the past 4 days only.

NOTE: Please take the back up of the registry before u proceed. Its not advised to change the registry if one doesn't know how to handle it.
Backing up: 1. goto Run-> type regedit 2. go to registry-> export registry file 3. in the export range block, select all 4. specify the target location and save
And if u think the registry is corrupted after doing this, just click on the file saved above. That wil restore ur registry.