Ok, tell me more: The TCP/IP configuration are the same for all Client, they have the same DNS Server? Test the name resolution in the Exchange Server whit Nslookup from the command prompt and try to resolve a domain "google.com" If the test is successful the DNS is not the problem. Jonathan Cossio -----Original Message----- From: Eray Tunay [mailto:etunay@xxxxxxxxxxxxxxxxx] Sent: Monday, June 28, 2004 11:28 AM To: [ExchangeList] Subject: [exchangelist] RE: some client can receive but cannot send e-mails http://www.MSExchange.org/ Clients cannot send external e-mails.i try to send different domains But cannot send any messages.all clients have same exchange configuration.i suspect that this can be a dns problem.am i wrong? Or what be? -----Original Message----- From: Jonathan Cossio [mailto:jcossio@xxxxxxxxxx] Sent: Monday, June 28, 2004 6:15 PM To: [ExchangeList] Subject: [exchangelist] RE: some client can receive but cannot send e-mails http://www.MSExchange.org/ Hi Eray, the client can't receive local or external mails? Jonathan Cossio -----Original Message----- From: Eray Tunay [mailto:etunay@xxxxxxxxxxxxxxxxx] Sent: Monday, June 28, 2004 11:00 AM To: [ExchangeList] Subject: [exchangelist] some client can receive but cannot send e-mails http://www.MSExchange.org/ Hi i got a problem about my exchange clients. Some clients Can send and receive e-mails.some clients can receive e-mail but can not send.they all have same configurations. 16 clients working with exchange 2003 well but 4 client cant.how can this be.what is the problem? Thanx for help ------------------------------------------------------ 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: jcossio@xxxxxxxxxx To unsubscribe visit http://www.webelists.com/cgi/lyris.pl?enter=exchangelist ------------------------------------------------------ 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: etunay@xxxxxxxxxxxxxxxxx To unsubscribe visit http://www.webelists.com/cgi/lyris.pl?enter=exchangelist ------------------------------------------------------ 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: jcossio@xxxxxxxxxx To unsubscribe visit http://www.webelists.com/cgi/lyris.pl?enter=exchangelist