Please post the headers of a bounce message. John Tolmachoff Engineer/Consultant/Owner eServices For You -----Original Message----- From: Qusai A. AL Haddad [mailto:qusai@xxxxxxxxxxxxxx] Sent: Friday, December 26, 2003 7:55 AM To: [ExchangeList] Subject: [exchangelist] RE: Unable to relay http://www.MSExchange.org/ Dear John They are configured Qusai _____ From: John Tolmachoff (Lists) [mailto:johnlist@xxxxxxxxxxxxxxxxxxx] Sent: Friday, December 26, 2003 6:53 PM To: [ExchangeList] Subject: [exchangelist] RE: Unable to relay http://www.MSExchange.org/ Since this is happening when they are outside of the network, chances are the e-mail client is not configured with SMTP server requires authentication. John Tolmachoff Engineer/Consultant/Owner eServices For You -----Original Message----- From: Qusai A. AL Haddad [mailto:qusai@xxxxxxxxxxxxxx] Sent: Friday, December 26, 2003 3:16 AM To: [ExchangeList] Subject: [exchangelist] Unable to relay http://www.MSExchange.org/ Dear All I have exchange 2003, and I am hosting my email on it .. The users can send an email to every one and every host while they are in the network . . When the client is out side the organization they can send only to the internal users when they are trying to send an email to outside domain they are getting 550 5.7.1 Unable to relay for <mailto:user@xxxxxxxxxxxx> user@xxxxxxxxxxxx I configure the relay in the SMTP virtual server to have an user permission to relay to the server Any help will be appreciated Qusai ------------------------------------------------------ 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 ------------------------------------------------------ ------------------------------------------------------ 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 ------------------------------------------------------ ------------------------------------------------------ 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 ------------------------------------------------------