2014/1/16 Wietse Venema <wie...@porcupine.org> > > A lookup error means that there is no reply - the requestor does > not know whether the requested domain exists. This is not to > be confused with a reply that says the domain does not exist. > > Wietse >
Ok... I get my error: postfix replies with "Domain not found" in both cases, but with 450 if domain is registered and its DNS is down, and with 550 if domains doesn't exist. I didn't check existence of domains because I associated "Domain not found" with unexistent domain. Thanks, Andrea
