Hi Everyone: I need some help. We keep on getting unwanted spam and porn mailed to staff members in our organization. Can someone suggest a good filtering system? We are running Exchange 5.5. Thanks, Alex. Alejandro Contreras Systems Administrator Ontario College of Teachers 121 Bloor St. East, Floor 6 Toronto, ON. M4W 3M5 Tel. (416) 961-8800 x269 Fax: (416) 961-8822 acontreras@xxxxxxxxx <mailto:acontreras@xxxxxxxxx>