Incorrect MTA route

[technotips]

Hi,
i am getting 3000 junk mails daily (undeliverable mails)

the error are 3015,3018

Description:
A non-delivery report with a status code of 5.4.0 was generated for recipient rfc822;zambre@istinc.com (Message-ID <MAILSRV1W8Iqji8ThFu00033abc@mailsrv.org>).
Causes: This message indicates a DNS problem or an IP address configuration problem
Solution: Check the DNS using nslookup or dnsq. Verify the IP address is in IPv4 literal format.

Description:
A non-delivery report with a status code of 5.3.0 was generated for recipient rfc822;ztech@flash.net (Message-ID <MAILSRV1l9gXsxbnebU00033ae7@mailsrv.org>).
Causes: Exchange mistakenly attempted mail delivery to an incorrect MTA route.

Can anyone guide me whats going wrong.
thanks in advance.
Techie

 

[jadab]

I got the same error in my event log today. Did you ever get an answer on this?

 

[technotips]

no i didnot ,
i am still looking into it.
let me know if u solve it.