80 Ost Or Domain Name Not Found Name Service Error For Update

With a host not found try again it could mean that your server is having dns resolution issues or postfix itself is having dns resolution issues.

Ost or domain name not found name service error for. The e mail system was unable to deliver the message but did not report a specific reason. My ip dot addr should resolve to vps mydomain co uk or whatever name you have chosen for your server postfix server. The mx record for the domain host must be resolve able.

When i email one of my clinets i get the following error any thoughts on this. Google is your friend and bob s your uncle. I m finding quite a few of these types of messages in my postfix log.

As for how to clear it up your question doesn t provide enough details on your base os or setup to give a succinct answer. Have you successfully sent mail to other systems from this. Boosting a couple questions mentioned in comments that might help figure out what s going on.

Host or domain name not found. Can you add your etc resolv conf to the question. Omv amd64 5 x on asrock rack c2550d4i c0 stepping 16gb ecc silverstone ds380 silverstone ds380 das box.

However you can ask your service provider to give you an smtp server to which you can do a smart host transfer if you are trying to send mails locally internally to systems. Just by adding the host name in the hosts file and sending mail abc host dom will not work.