/dev/rob0 a écrit : > On Monday 27 July 2009 14:14:54 Cameron Camp wrote: >> If I have a box with a valid reverse DNS entry of mail.example.com that >> has virtual domains of >> >> domain.com >> otherdomain.com >> somedomain.com >> >> will my "wrong" reverse DNS for the virtual domains affect delivery? > > We cannot guess what millions of clueless wannabe spam-eliminators are > doing at their sites. It should not ... but it might. > >> Do I need to do anything? > > Of course you do. DTRT. $myhostname[1] should resolve to the IP address > from which you are sending, and the PTR for that IP address should > resolve to $myhostname.
wrong. it's the opposite. IP -> name -> IP. $myhostname is not necessary the PTR of his IP. > > http://en.wikipedia.org/wiki/FCrDNS > > > [1] Strictly speaking, it's $smtp_helo_name which should resolve, but > the default value for smtp_helo_name is $myhostname, and I would > not generally recommend setting smtp_helo_name without good reason.
