Hi Richard, Create a protocol rule that allows the mail server access to external DNS servers, or allow the server to use an internal DNS server that can resolve internet mail domain names. HTH, Tom Thomas W Shinder www.isaserver.org/shinder <http://www.isaserver.org/shinder> ISA Server and Beyond: http://tinyurl.com/1jq1 <http://tinyurl.com/1jq1> Configuring ISA Server: http://tinyurl.com/1llp <http://tinyurl.com/1llp> -----Original Message----- From: Richard DOUTI-LARE [mailto:richard.douti@xxxxxxxxxx] Sent: Monday, February 03, 2003 9:15 AM To: [ISAserver.org Discussion List] Subject: [isalist] Alt-N mdaemon Importance: High http://www.ISAserver.org Hi, I'm trying to set up my company mail server, running Mdaemon, behind ISA. But the mail server can't perform names resolution (DNS).how can I make Mdaemon work well behind ISA? Best regards Richard ------------------------------------------------------ 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 ------------------------------------------------------ Exchange Server Resource Site: http://www.msexchange.org/ Windows Security Resource Site: http://www.windowsecurity.com/ Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com ------------------------------------------------------ You are currently subscribed to this ISAserver.org Discussion List as: tshinder@xxxxxxxxxxxxxxxxxx To unsubscribe send a blank email to $subst('Email.Unsub')