Tim Legg a écrit : > According to 'postconf -d', myhostname is set to genex.localdomain where > genex is an arbitrary name I chose for a hostname when I installed Debian > Lenny. > > When I look in /etc/postfix/main.cf, > myhostname = genex.example1.com > > Is this a normal discrepancy?
use 'postconf -n' instead of '-d'. > > Is it even neccessary to have a hostname at all since the days of having > seperate machines for seperate daemons are behind us for most websites? > After all, mail.example1.com, www.example1.com, pop3.example1.com,... are all > the same machine these days. > - an MTA needs a name to use as a HELO/EHLO argument. - an MTA needs a name to show in the smtp banner. - an MTA needs a name to put in Received header. myhostname provides a handy default for these, because most people are happy with a single name.