You will have to configure packet filters for port 25 (inbound/outbound) on ISA, and perhaps port 110 if you want to support external POP3 users. As for OWA on this box follow Q290113 and Q238131 How to Disable Socket Pooling. -----Mensaje original----- De: J Carlos [mailto:jcarlos_ruiz@xxxxxxxxxxx] Enviado el: Thursday, August 15, 2002 1:28 PM Para: [ExchangeList] Asunto: [exchangelist] Can not receive mail from Internet http://www.MSExchange.org/ I have installed exchange 2000 and ISA in the same server.. Internal mail is working fine, If I send an email to the Internet they can receive it without problems, but I can not receive mail from Internet Does anybody can help me?? Thanks J Carlos ------------------------------------------------------ You are currently subscribed to this MSExchange.org Discussion List as: jedanoviz@xxxxxxxxxxxxxxxx To unsubscribe send a blank email to $subst('Email.Unsub')