http://searchexchange.techtarget.com/originalContent/0,289142,sid43_gci9521= 88,00.html?Offer=3Dsb03011=20 (Freelists will probably mangle that..) A snippet- In the report, Ferris outlined four key functions that Exchange Edge Servic= es is expected to perform: * Rejecting SMTP connections from specific IP addresses. * Verifying sender addresses. (Microsoft and others describe this as "e= -mail Caller ID.") * Filtering inbound e-mail traffic for viruses, spam and offensive cont= ent. * Filtering outbound e-mail traffic for content prohibited by an organi= zation, such as offensive words. Better than nothing i guess! :) Andrew --o-- ===================== Use the below link for Archives, and to set your preferences. http://thethin.net/exchangelist.cfm