You day that the end uders PC's are using SMTP settings for mail delivery... Are these settings pointing to an SMTP relay server in your domain? I would assume that this is the case. If so, how is the SMTP server setup? Regardless, I would recommend that you point the MAPI clients to relay off of an Exchange 2000 SMTP server. More info on your setup is needed to help out... Regards -------------------------- Chris Wall NAM Sr. Exchange Administrator Global Knowledge Network w - 919.460.3236 c - 919.345.7447 f - 919.468.4889 -----Original Message----- From: Duke <duke@xxxxxxxxxxxxxxxx> To: [ExchangeList] <exchangelist@xxxxxxxxxxxxx> Sent: Sun Feb 20 07:54:09 2005 Subject: [exchangelist] Re: Internal / External Domains http://www.MSExchange.org/ Maybe 3rd time lucky. Hi All, We have just taken over from another company who had a practise of separating the internal domain names from the external ones. They have put in exchange servers for some of their clients with the following configs. Company 1 Internal domain name = xyz.com External domain name = xyzabc.com Company 2 Internal = abc.com External = abc.co.uk etc, etc. They use exchange for purely Internal communication via Outlook Express and have set up POP and SMTP in Outlook for external emails. Said to do with security. How can we set up exchange server to also do the external mail handling. They all running E2K on W2k Servers. Changing the internal domain names is not an option. Regards Duke ------------------------------------------------------ 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: World of Windows Networking: http://www.windowsnetworking.com 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 ------------------------------------------------------ You are currently subscribed to this MSEXchange.org Discussion List as: Chris.Wall@xxxxxxxxxxxxxxxxxxx To unsubscribe visit http://www.webelists.com/cgi/lyris.pl?enter=exchangelist Report abuse to listadmin@xxxxxxxxxxxxxx