They are not attached to the same domain as your mail sever is. So Exchange won't let them Relay through SMTP. Only people who are Authenticated with your DC can send email. The other problem maybe if they are using VPN and the connection is open Exchange may think they are trying send mail from a different network. Andrew -----Original Message----- From: Scott Clarke [mailto:scott.clarke@xxxxxxxxxxxx] Sent: Thursday, March 03, 2005 8:58 AM To: [ExchangeList] Subject: [exchangelist] Re: User trying to send email http://www.MSExchange.org/ Hi all, A user in our company is trying to send an email to someone in Spain and gets the following error: 'user@xxxxxxxxxxxxxxx' on 3/3/2005 9:57 AM You do not have permission to send to this recipient. For assistance, contact your system administrator. <Ourserver@ourcompany #5.7.1 smtp;550 5.7.1 <'user@xxxxxxxxxxxxxxx>... Relaying denied> What's up with this? ------------------------------------------------------ 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: andrew@xxxxxxxxxxxxxxxxxxxxxx To unsubscribe visit http://www.webelists.com/cgi/lyris.pl?enter=exchangelist Report abuse to listadmin@xxxxxxxxxxxxxx