Configuring Postfix for Multiple Domains

Paul Sladen ubuntu at paul.sladen.org
Sun Sep 3 01:27:10 UTC 2006


On Sat, 2 Sep 2006, Karl-Heinz Schulz wrote:

Hello Karl-Heinz,

> How can I configure Postfix to allow me the use of several domains using
> one IP

The secret is a line similiar to:

  virtual_maps = hash:/etc/postfix/virtual

in the '/etc/postfix/main.cf' configuration.  The '/etc/postfix/virtual'
file contains lines like:

  domain1.com           domain1.com
  emaila at domain1.com    foo at this.machine.com
  emailb at domain1.com    bar at this.machine.com
  emailc at domain1.com    fred at flintstones.org

  domain2.net           domain2.net
  emaila at domain2.net    moo at this.machine.com
  @domain2.net          spam at somewhere.else.com

after being changed, the 'hash' version (binary representation) must be
updated by running:

  sudo postmap /etc/postfix/virtual

Hope that helps,

	-Paul
-- 
High on a tall bridge, surrounded by noisy lorries.  Nottingham, GB





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