# Ansible Role: Postfix [![Build Status](https://travis-ci.org/geerlingguy/ansible-role-postfix.svg?branch=master)](https://travis-ci.org/geerlingguy/ansible-role-postfix) Installs postfix on RedHat/CentOS or Debian/Ubuntu. ## Requirements If you're using this as an SMTP relay server, you will need to do that on your own, and open TCP port 25 in your server firewall. ## Role Variables None. ## Dependencies None. ## Example Playbook - hosts: all roles: - { role: geerlingguy.postfix } ## License MIT / BSD ## Author Information This role was created in 2014 by [Jeff Geerling](http://jeffgeerling.com/), author of [Ansible for DevOps](http://ansiblefordevops.com/).