Hi, I have installed Microsoft ISA 2000 server on Microsoft Windows 2000 Machine. I am able to block particular site in a particular, and able to access pop3 mails via ISA Server. But lot of unwanted mails sent from my system without my knowledge, I would like to block all this unwanted mails sent out from my system. I want to allow only one SMTP IP address to be allowed via ISA. Can anyone help? Thanks ---------------------------- G Sivaprakasam Seven Hills Business Solutions Limited Q1A1,10th Floor, Cyber Towers, Hi-TEC City, Madhapur, Hyderabad, India Voice: +91 (40) 5566 4545 , Ext: 2036 Fax : +91 (40) 5566 2211 ---------------------------------------------------------------------- CONFIDENTIALITY/PROPRIETARY NOTE. The Document accompanying this electronic transmission contains Information from Seven Hills Business Solutions Ltd, which is confidential, proprietary or copyrighted and is intended solely for the use of the individual or entity named on this transmission. If you are not the intended recipient, you are notified that closing, copying distributing or taking any action in reliance on the contents of this information is strictly prohibited. This prohibition includes, without limitation, displaying this transmission or any portion thereof, on any public bulletin board. If you are not the intended recipient of this document ,please return this Document to Seven Hills Business Solutions Ltd --------------------------------------------------------------------- Please Visit us at <http://www.7hillsbiz.com <http://www.7hillsbiz.com/> > ---------------------------------------------------------------------