R=dkim_lookuphost defer (-1): host lookup did not complete

If you are not able to send/receive emails from domain and  getting the following error:

exim_mainlogs as “R=dkim_lookuphost defer (-1): host lookup did not complete”

Then in order to get this issue resolved check your ./etc/resolv.conf file. If the resolvers are missing then you can put the public DNS like :


it should now fix your email send/receive issue.