From the past three weeks iam some of the email send from domain names are still in the Postfix Mail Queue
when we try to Process the Queue still it will be gone to deferred list. I found those domains are using google Gsuite (Google work space) all the dns of these domain name's are correct and successfully fetching in mx tool box and google dig tools. If any body have any idea of this issue please help me asap other wise i will loose some customers.
Error message :
(Host or domain name not found. Name service error for name=abcd.com type=MX: Host not found, try again)