The Postfix configuration files normally reside in /etc/postfix
and /etc/mail/
, although this may vary from distribution to distribution. The main files are main.cf
and master.cf
. To create an email gateway, perform the operations described in the following sections.
Postfix needs to be configured to accept email for the domain. To do this, edit the main.cf
file and add or change the following lines, substituting the appropriate domain and hostname:
myhostname = mailgateway.domain.com mydomain = domain.com relay_domains = domain.com
Mail for the root user and other common aliases should be configured. This is done by editing the /etc/mail/aliases
file and altering the entries as shown in the following example:
# /etc/mail/aliases # Basic system aliases -- these MUST be present. MAILER-DAEMON: postmaster postmaster: root # General redirections for pseudo accounts. adm: root bin: root daemon: root exim: root lp: root mail...