After installing Edge Role in 2007 SP2,
Do add a entry “ in edgetransportexe.config & restart transport service.
Else you may face bounse for attachment mails.
Good Simulation/Capacity Planning Tool for MS Exchange , try if you are not yet checked.
Export-Mailbox -identity
for all mailboxes/per database, below command should work.
Get-Mailbox -Database
It requires FullAccess Rights on all mailboxes for our user ID & below command can be used.
Get-Mailbox -Server "" | Add-MailboxPermission -User