Exchange 2007, increasing e-mail rule limit

Exchange 2007 rule sizes by default is set to 64kb (rather than 32kb for Exchange 2003).
You may change this using Exchange 2007 Management Shell (PowerShell) to max 256kb

To check setting on specific account: (to display RulesQuota : xxKB)
get-mailbox userlogin | fl rulesquota



To change setting to 256kb for specific account:
set-mailbox userlogin -rulesquota 256kb



To change setting to 256kb for all account:
get-mailbox | set-mailbox -rulesquota 256kb