Using Microsoft Exchange to Block Social Security Numbers from Being Sent Out By Dataprise | April 30, 2014 | Comments Off on Using Microsoft Exchange to Block Social Security Numbers from Being Sent Out A client of PEI’s asked if Microsoft Exchange could block outbound emails that included Social Security numbers. We built a transport rule for emails sent to users ‘Outside the Organization’ where the Subject field or message body matches a text pattern of ‘ddd-dd-dddd(s|$)’. If the rule is triggered, then the message is rejected with notification… Read More