http://www.MSExchange.org/ <http://www.MSExchange.org/> Hi all I need some help , I'm running MS Exchange 5.5 with service pack 3 on Windows 2000 server with service pack 4.The trouble is Third party relaying. I made the changes according Preventing <http://www.msexchange.org/tutorials/Preventing_Third_Party_Relaying_In_MS_E xchange_Server_55.html> Third Party Relaying In MS Exchange Server 5.5. Date - Mar 18, 2002 Author - Lee <http://www.msexchange.org/Lee_Derbyshire/> Derbyshire , which is on your web. But following types are still relaying. Somebody@[Domain IP] e.g.: somebody@[192.168.100.100] When telnetting following one, anybody%anydomain.org Anybody please help me to solve this problum thanks Lettah ------------------------------------------------------ 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 ------------------------------------------------------