by rob » Thu Nov 05, 2009 10:58 am
This is indeed possible, but is only do-able from within content filtering. Basically you can add the standard preset rule which save a copy of all outgoing mail. To make this more focused to the childs account, you can add an addional condition of...
AND SMTP Sender Matches "childsemailaddress"
I would recommend using the contains string match option.