You do have some DNS problems with your MX record: http://www.dnsreport.com/tools/dnsreport.ch?domain=mixtecinc.com http://www.dnsreport.com/tools/mail.ch?domain=mixtecinc.com John Tolmachoff Engineer/Consultant/Owner eServices For You -----Original Message----- From: Justin Maas [mailto:jmaas@xxxxxxx] Sent: Tuesday, November 25, 2003 8:34 AM To: [ExchangeList] Subject: [exchangelist] smtp;550 5.7.1 Unable to relay for http://www.MSExchange.org/ Greetings, I am having a very frustrating time with a new Exchange 2003 Standard 2003 install Windows 2003 Standard Server, I am able to send me to the internet but not able to receive. I get a bounced back message similar to the on below from MSN, sending to my server: smtp;550 5.7.1 Unable to relay for I have checked the recipient policy and all seems fine, the DNS MX record seems to fine too. Te domain I am having problems with is mixtecinc.com This problem is driving crazy as I had a working install of the Beta of Exchange 2003 RC1 and Windows 2003 server RC1 working fine. Any help greatly appreciated. Justin Maas ------------------------------------------------------ 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 ------------------------------------------------------