A. Schulze: > > Viktor Dukhovni: > > >> general advice: check your /etc/resolv.conf > >> usually there is no need for other lines then "nameserver $NAMESERVER_IP" > >> especially check if "searchdomain" is present and needed and should be > >> removed. > > > > This advice is not right, Postfix works ... > > Yes, BUT: > > I had not only postfix in mind. Other server software does not so many things > right as postfix does. For that reason "general" ... > > A server should generally be well configured to use only fully > qualified domainnames. > As a consequence a server does not need a searchdomain in /etc/resolv.conf > and therefor it could be removed. > I do so for many years and saw some strange things went away. > That's simply my experience running numerous different server over the years.
If some vendor appends domains despite Postfix turning that off, please file a complaint. That vendor is not helping. Wietse