On Fri, Feb 20, 2009 at 02:58:49PM +0200, Aggelos wrote: > I have the following question concerning setup for multiple domains on > the same host machine: > > Let us say that in /etc/postfix/main.cf we have the following: > mydestination = a.domain.com, b.domain.com, c.domain.com > > We have setup DNS so that all mx records for the above domains resolve > to our host's ip address. > > We would like postfix, when contacted as one of the above domains, to > reply to the helo smtp directive, with its respective x.domain.com name. > This is not possible. See RFC 821 or RFC 5321. SMTP does not send host headers like HTTP/1.1, and the RFC mandates the use of the canonical name of the server in the greeting.
Devdas Bhagat
