Exchange 2007 can do this with transport rules. But I don't know of any inbuilt way to do it in Exchange 2003. Regards, Michael B. Smith MCSE/Exchange MVP http://TheEssentialExchange.com From: exchangelist-bounce@xxxxxxxxxxxxx [mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Alex Sent: Tuesday, May 20, 2008 11:09 AM To: exchangelist@xxxxxxxxxxxxx Subject: [ExchangeList] question is there anybody out there using anything that would stop social security numbers from being emailed thru exchange 2003 thanks for your time in advance