On Wed, Nov 28, 2012 at 01:42:39PM +0100, Marcus Schopen wrote: > Hi, > > is there a way to turn off duplicatesuppression for a single user > mailbox oder domain? > > Ciao > Marcus > Hi Marcus, There is an annotation that you can set on the mailbox to turn off the duplicate suppression. Check the docs for the exact name. We have done that here for a single mailbox in the past, but I do not remember the exact details. Cheers, Ken