That's right. Just allow relay from the exchange box and set the ISA SMTP relay as your smart host. YOu should only allow ISA to make outbound and Inbound SMTP connections. This should do the trick. Tiago -----Mensagem original----- De: Mustafa Cicek [mailto:mbcicek@xxxxxxxxx] Enviada em: quarta-feira, 27 de outubro de 2004 11:57 Para: [ISAserver.org Discussion List] Assunto: [isalist] RE: SMTP Gateway on ISA http://www.ISAserver.org Hi Tom! I want that ISA should be responsible for all outbound and inbound SMTP traffic. In addition Exchange should send outbound mails to ISA, NOT to external network. Must I configure SMTP Virtual Server on Exchange so that it sends all outbound mails to ISA server (as Smarthost)? Other configurations on ISA or Exchange necessary? Best Regards Mustafa ------------------------------------------------------ List Archives: http://www.webelists.com/cgi/lyris.pl?enter=isalist ISA Server Newsletter: http://www.isaserver.org/pages/newsletter.asp ISA Server FAQ: http://www.isaserver.org/pages/larticle.asp?type=FAQ ------------------------------------------------------ Other Internet Software Marketing Sites: World of Windows Networking: http://www.windowsnetworking.com Leading Network Software Directory: http://www.serverfiles.com No.1 Exchange Server Resource Site: http://www.msexchange.org Windows Security Resource Site: http://www.windowsecurity.com/ Network Security Library: http://www.secinf.net/ Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com ------------------------------------------------------ You are currently subscribed to this ISAserver.org Discussion List as: tiago@xxxxxxxxxxxxxxx To unsubscribe visit http://www.webelists.com/cgi/lyris.pl?enter=isalist Report abuse to listadmin@xxxxxxxxxxxxx