Pls, somebody help me on how to configure my exchange server 2003 to receive external email?urgent plssssssssssssss

You will need an MX record. Take a look at this article. http://www.msexchange.org/tutorials/Planning-First-Exchange-Server.htmlMark Morowczynski|MCT| MCSE 2003:Messaging, Security|MCITP:ES, SA,EA|MCTS:Windows Mobile Admin|Security+|http://almostdailytech.com

You will needto create aMX Record and test that record: http://www.petri.co.il/configure_mx_records_for_incoming_smtp_email_traffic.htmDon't forget about Firewall routing port 25 from the internet to your Exchange server.SF - MCITP:EMA, MCTS: MOSS 2007, OCS 2007, Exchange 2007

To configure the internet mail access, please follow the Internet Mail Wizard section in Transport and Message Flow Features of Exchange Server 2003 If you have a large or complex exchange organization, please follow the Manually Configuring Your Exchange Server for Internet Mail Delivery section in Exchange Server 2003 Transport and Routing Guide