Postfix Host Or Domain Name Not Found Etchosts. If I enable disable_dns_lookups yes postfix refers etchosts but will not contact the DNS if the entry is not found there. If so you can fix this by.
Host or domain name not found. Symptom in the log. To add a host name called net2host with an IP address 1800110 add the line below in the etchosts file.
Smtp_host_lookup native Postfixを再起動.
Using the following command. Postfix mail forwarding loop. Sudo nano etchosts etchosts is just a file that maps IPs to hostnames. Symptom in the log.