I can`t Send Emails From my Exchange 2007 to external but i can receive from external to internal i have a public ip and external domain (My Public IP Address Not Block List on the internet ) (the external domain name like a domain name inside) the domain records include : MX Record , A Records , SPF Record ---------- also the send connector is configured and i have isa server 2006 as firewall and configuerd to route emails (smtp) from internal to extarnal and external to internal,,,, --------------------------- But i can`t Send only to external ,,, what should i do when i try to send an email to external this message comes to my mailbox from the exchange server ( 550 4.4.7 QUEUE.Expired; message expired in unreachable destination queue. Reason: A matching connector cannot be found to route the external recipient) ----------------------------------------------------------- Kindly please help me quickly

Please share more about how the send connector and ISA are configured. -- Ed Crowley MVP "There are seldom good technological solutions to behavioral problems." . "aboemad" wrote in message news:62c28ce3-e030-4f72-ba81-972f05e6d41f... I can`t Send Emails From my Exchange 2007 to external but i can receive from external to internal i have a public ip and external domain (My Public IP Address Not Block List on the internet ) (the external domain name like a domain name inside) the domain records include : MX Record , A Records , SPF Record ---------- also the send connector is configured and i have isa server 2006 as firewall and configuerd to route emails (smtp) from internal to extarnal and external to internal,,,, --------------------------- But i can`t Send only to external ,,, what should i do when i try to send an email to external this message comes to my mailbox from the exchange server ( 550 4.4.7 QUEUE.Expired; message expired in unreachable destination queue. Reason: A matching connector cannot be found to route the external recipient) ----------------------------------------------------------- Kindly please help me quickly Ed Crowley MVP "There are seldom good technological solutions to behavioral problems."

Hi, Check your send connectors properties and make sure that Address Space is set to '*' http://social.technet.microsoft.com/forums/en-US/exchangesvrtransport/thread/7b2208a8-b536-4e22-a159-70faba45a10c/ Regards,Laeeq Qazi|Team Lead(Exchange + Sharepoint + BES + DynamicsCRM) www.HostingController.com

i did as you said and now he is working ,,, thank you