Unable to send mail using Database mail in sql server 2005

  • I'm using the hMailServer as the SMTP server.

    After doing the configurations and tried to send test email, the follwing is the error message that i gets.

    The mail could not be sent to the recipients because of the mail server failure. (Sending Mail using Account 2 (2007-12-16T22:41:35). Exception Message: Cannot send mails to mail server. (Mailbox unavailable. The server response was: The host name specified in HELO does not match IP address.).

    Can anyone help me out in solving this.

    Thanks,

    Gifcy

  • Have a talk with your network/dns admins. You've got a reverse DNS issue, the receiving email server is doing a reverse DNS lookup on the sending servers IP address and getting an answer it doesn't like.

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