Hello on 2019/9/4 19:08, Wietse Venema wrote:
To signal domain equivalence, the receiver should use CNAME records or some other explicit mechanism.
from what I know, MX host should not be CNAME records in DNS zone. regards.
Hello on 2019/9/4 19:08, Wietse Venema wrote:
To signal domain equivalence, the receiver should use CNAME records or some other explicit mechanism.
from what I know, MX host should not be CNAME records in DNS zone. regards.