exchange 2007 couldnt send external mail RRS feed

  • Question

  • Hey, everyone :)

    i have now the problem with can not send the external mail via exchange server 2007 with Web application.

    The application wrote in c# with system.net.mail and its work fine at develop enviroment, but couldnt send external mail when i pulisched to the server enviroment.

    ** The webapp and exchange server are located at the same server, is there has any problem or special setting for this?

    sending internal mail is wokring fine , but external will get the error message 5.1.1 Bad destination mailbox address.

    Thank you in advance :)


    Tuesday, October 12, 2010 7:46 AM