Knowledgebase
lowest numbered MX record points to local host
If you find the follow message in your exim mainlog or a bounce message:
1) If the domain should be external, change the MX record to be external.
2) If the domain should be internal, add the domain to the /etc/virtual/domains file.. but of course, ensure it was properly added into DA as a domain. Eg, the following should also exist locally:
http://help.directadmin.com/item.php?id=8
lowest numbered MX record points to local host
that means the MX records resolve to your own server, but the domain/host in question is not present in the file:/etc/virtual/domains
1) If the domain should be external, change the MX record to be external.
2) If the domain should be internal, add the domain to the /etc/virtual/domains file.. but of course, ensure it was properly added into DA as a domain. Eg, the following should also exist locally:
/etc/virtual/domain.com/
Related:http://help.directadmin.com/item.php?id=8