Hi, Take a look at http://www.microsoft.com/technet/prodtechnol/exchange/2003/library/extransro ut.mspx - Allan L. -----Original Message----- From: joly [mailto:jolylon@xxxxxxxxxxx] Sent: Wednesday, May 19, 2004 7:32 AM To: [ExchangeList] Subject: [exchangelist] URGENT HELP (REALLY APPRICIATE ) http://www.MSExchange.org/ Q1. what is best way to give answer to this question if some one ask you (tell me how exchange 2003 work . Mean to say if some one from internet email you how exchange 2003 server handles email (like how message flows and why action exchange server will take when the message is inside the server to make it dilverable to right person recipent )) Q2 using exchange server 2003 user can send email from inside but cant recieve email from outside . Thnaks ------------------------------------------------------ List Archives: http://www.webelists.com/cgi/lyris.pl?enter=exchangelist Exchange Newsletters: http://www.msexchange.org/pages/newsletter.asp Exchange FAQ: http://www.msexchange.org/pages/larticle.asp?type=FAQ ------------------------------------------------------ Other Internet Software Marketing Sites: Leading Network Software Directory: http://www.serverfiles.com No.1 ISA Server Resource Site: http://www.isaserver.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 ------------------------------------------------------