Have you verified you're not configured as an open relay? Is your firewall only allowing SMTP traffic to/from your Exchange box?
Die dulci fruere! Roger Wright ___ Marie von Ebner-Eschenbach<http://www.brainyquote.com/quotes/authors/m/marie_von_ebnereschenbac.html> - "Even a stopped clock is right twice a day." On Fri, Jan 22, 2010 at 8:15 AM, Boggis, Josh <josh.bog...@uconn.edu> wrote: > Anyone have any suggestions on anything for stopping what I call internal > spam. Users who reply to phishing emails, who’s account is then used to > send out massive amounts of spam to the world. Because of this massive > blast of spam, our mail server gets placed on many block lists, and then I > have to spend the day getting us off block lists because of one users who > thinks it’s a good idea to give out login id, password, home address, > favorite ice cream flavor and blood type just because an email asked them > to. > > > > Any ideas on solutions? User education has proven fruitless, we still get > people who reply. > > > > > > > > >