none
550 5.7.1 Requested action not taken: message refused RRS feed

  • Question

  • Dear All,

    I am a newbie in this forum, I am using Microsoft Exchange 2003 Server SP2.

     

    I have a problem with sending some email through my SMTP domain and it always return back with the message and error code below:

     

    550 5.7.1 Requested action not taken: message refused

     

    when i check this NDR error code through microsoft site say that:

     

    550 Generic SMTP protocol error.

    5.7.1 Access denied. Sender may not have permission to send message to the recipient. Possible unauthorized SMTP relay attempt from SMTP client.

     

    Actually, in out MS Exchange 2003 server we already check through this error, but cannot help.

    does someone have experience with this problem?\

     

    Your help is very appreciated.

     

    Regards;

    BL

    Tuesday, September 18, 2007 6:23 AM

All replies