If Postbox is slow to recover or respond from indexing, please try the following:
Go to the Help menu and select Troubleshooting..., then select these options:
__ Safe Mode
__ Reset User Interface
__ Reset Caches and Search Index
_X_ Reset IMAP mail databases and Search Indexes
__ Open Profile Manager on Restart
__ Create Protocol Log File
__ Convert maildir accounts to mbox
Then restart Postbox.
If problems persists, then please submit a Technical Support Request.