Here you find the powershell script which were very useful for me.

All scripts are free of charge, use them at your own risk :

Aanpassen e-mail grootte:

Check max massage size in Exchange 2007 :

get-receiveconnector | select identity,maxmessagesize

Change the max massage size to 30 MB :

set-receiveconnector

Read more… Powershell commando’s