On Thu, Sep 13, 2012 at 5:08 PM, Charles Marcus <[email protected]>wrote:
> > We recently started rolling out Win7 boxes (a year or so ago, but doing it > slowly), and for some reason, Windows 7 clients don't show the hostname, > only 'unknown': > > Sep 13 10:46:09 mailhost postfix-587/smtpd[16228]: C2B50A7D5B0: > client=unknown[192.168.2.33], sasl_method=PLAIN, sasl_username=validuser@* > *example.com <[email protected]> > > nslookup shows: > > mailhost : Thu Sep 13, 10:47:54 : ~ > # nslookup 192.168.2.33 > Server: 192.168.1.160 > Address: 192.168.1.160#53 > > 33.2.168.192.in-addr.arpa name = validhost2.example.com. > > Unless validhost2.example.com resolves back to the IP, postfix will say it's unknown Deives
