diff --git a/lemp-rhel7/roles/ansible-role-postfix/.travis.yml b/lemp-rhel7/roles/ansible-role-postfix/.travis.yml
new file mode 100644
index 0000000..df7b654
--- /dev/null
+++ b/lemp-rhel7/roles/ansible-role-postfix/.travis.yml
@@ -0,0 +1,36 @@
+---
+sudo: required
+language: python
+python: "2.7"
+
+env:
+  - SITE=test.yml
+
+before_install:
+  - sudo apt-get update -qq
+
+install:
+  # Install Ansible.
+  - pip install ansible
+
+  # Add ansible.cfg to pick up roles path.
+  - "{ echo '[defaults]'; echo 'roles_path = ../'; } >> ansible.cfg"
+
+script:
+  # Check the role/playbook's syntax.
+  - "ansible-playbook -i tests/inventory tests/$SITE --syntax-check"
+
+  # Run the role/playbook with ansible-playbook.
+  - "ansible-playbook -i tests/inventory tests/$SITE --connection=local --sudo"
+
+  # Run the role/playbook again, checking to make sure it's idempotent.
+  - >
+    ansible-playbook -i tests/inventory tests/$SITE --connection=local --sudo
+    | grep -q 'changed=0.*failed=0'
+    && (echo 'Idempotence test: pass' && exit 0)
+    || (echo 'Idempotence test: fail' && exit 1)
+
+  # TODO - Add test to check if postfix is working correctly.
+
+notifications:
+  webhooks: https://galaxy.ansible.com/api/v1/notifications/
diff --git a/lemp-rhel7/roles/ansible-role-postfix/README.md b/lemp-rhel7/roles/ansible-role-postfix/README.md
new file mode 100644
index 0000000..6bb46a1
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+++ b/lemp-rhel7/roles/ansible-role-postfix/README.md
@@ -0,0 +1,31 @@
+# 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/).
diff --git a/lemp-rhel7/roles/ansible-role-postfix/defaults/main.yml b/lemp-rhel7/roles/ansible-role-postfix/defaults/main.yml
new file mode 100644
index 0000000..ed97d53
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+++ b/lemp-rhel7/roles/ansible-role-postfix/defaults/main.yml
@@ -0,0 +1 @@
+---
diff --git a/lemp-rhel7/roles/ansible-role-postfix/meta/main.yml b/lemp-rhel7/roles/ansible-role-postfix/meta/main.yml
new file mode 100644
index 0000000..1f034f1
--- /dev/null
+++ b/lemp-rhel7/roles/ansible-role-postfix/meta/main.yml
@@ -0,0 +1,23 @@
+---
+dependencies: []
+
+galaxy_info:
+  author: geerlingguy
+  description: Postfix for RedHat/CentOS or Debian/Ubuntu.
+  company: "Midwestern Mac, LLC"
+  license: "license (BSD, MIT)"
+  min_ansible_version: 1.8
+  platforms:
+    - name: EL
+      versions:
+      - all
+    - name: Debian
+      versions:
+      - all
+    - name: Ubuntu
+      versions:
+      - all
+  galaxy_tags:
+    - networking
+    - system
+    - mail
diff --git a/lemp-rhel7/roles/ansible-role-postfix/tasks/main.yml b/lemp-rhel7/roles/ansible-role-postfix/tasks/main.yml
new file mode 100644
index 0000000..6d0ca1a
--- /dev/null
+++ b/lemp-rhel7/roles/ansible-role-postfix/tasks/main.yml
@@ -0,0 +1,11 @@
+---
+- name: Ensure postfix is installed (RedHat).
+  yum: name=postfix state=installed
+  when: ansible_os_family == 'RedHat'
+
+- name: Ensure postfix is installed (Debian).
+  apt: name=postfix state=installed
+  when: ansible_os_family == 'Debian'
+
+- name: Ensure postfix is started and enabled at boot.
+  service: name=postfix state=started enabled=yes
diff --git a/lemp-rhel7/roles/ansible-role-postfix/tests/inventory b/lemp-rhel7/roles/ansible-role-postfix/tests/inventory
new file mode 100644
index 0000000..2fbb50c
--- /dev/null
+++ b/lemp-rhel7/roles/ansible-role-postfix/tests/inventory
@@ -0,0 +1 @@
+localhost
diff --git a/lemp-rhel7/roles/ansible-role-postfix/tests/test.yml b/lemp-rhel7/roles/ansible-role-postfix/tests/test.yml
new file mode 100644
index 0000000..f404e40
--- /dev/null
+++ b/lemp-rhel7/roles/ansible-role-postfix/tests/test.yml
@@ -0,0 +1,5 @@
+---
+- hosts: localhost
+  remote_user: root
+  roles:
+    - ansible-role-postfix