diff --git a/playbook_mail_deploy.yml b/playbook_mail_deploy.yml
deleted file mode 100644
index a240e5e..0000000
--- a/playbook_mail_deploy.yml
+++ /dev/null
@@ -1,4 +0,0 @@
----
-- hosts: mail_server
-  roles:
-    - mail_server
diff --git a/roles/mail_server/.gitignore b/roles/mail_server/.gitignore
deleted file mode 100644
index c9b2377..0000000
--- a/roles/mail_server/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-*.retry
-tests/test.sh
diff --git a/roles/mail_server/.travis.yml b/roles/mail_server/.travis.yml
deleted file mode 100644
index e4a7f31..0000000
--- a/roles/mail_server/.travis.yml
+++ /dev/null
@@ -1,18 +0,0 @@
----
-services: docker
-
-env:
-  - distro: centos7
-  - distro: ubuntu1604
-  - distro: debian9
-
-script:
-  # Download test shim.
-  - wget -O ${PWD}/tests/test.sh https://gist.githubusercontent.com/geerlingguy/73ef1e5ee45d8694570f334be385e181/raw/
-  - chmod +x ${PWD}/tests/test.sh
-
-  # Run tests.
-  - ${PWD}/tests/test.sh
-
-notifications:
-  webhooks: https://galaxy.ansible.com/api/v1/notifications/
diff --git a/roles/mail_server/LICENSE b/roles/mail_server/LICENSE
deleted file mode 100644
index 4275cf3..0000000
--- a/roles/mail_server/LICENSE
+++ /dev/null
@@ -1,20 +0,0 @@
-The MIT License (MIT)
-
-Copyright (c) 2017 Jeff Geerling
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of
-this software and associated documentation files (the "Software"), to deal in
-the Software without restriction, including without limitation the rights to
-use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
-the Software, and to permit persons to whom the Software is furnished to do so,
-subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
-FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
-COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
-IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/roles/mail_server/README.md b/roles/mail_server/README.md
deleted file mode 100644
index 37d5f53..0000000
--- a/roles/mail_server/README.md
+++ /dev/null
@@ -1,45 +0,0 @@
-# Ansible Role: Mail Server
-
-Installs postfix on RedHat/CentOS, Gentoo 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
-
-Available variables are listed below, along with default values (see `defaults/main.yml`):
-
-    postfix_config_file: /etc/postfix/main.cf
-    aliases_config_file: /etc/aliases
-
-The path to the Postfix `main.cf` and aliases configuration file.
-
-    postfix_service_state: started
-    postfix_service_enabled: yes
-
-The state in which the Postfix service should be after this role runs, and whether to enable the service on startup.
-
-    postfix_inet_interfaces: localhost
-    postfix_inet_protocols: all
-
-Options for values `inet_interfaces` and `inet_protocols` in the `main.cf` file.
-
-    alias_email: "{{ system_admin_email }}"
-
-The email address of admin user (to receive system notification).
-
-## Dependencies
-
-None.
-
-## Example Playbook
-
-    - hosts: all
-      roles:
-        - postfix
-
-## License
-
-MIT / BSD
-
diff --git a/roles/mail_server/defaults/main.yml b/roles/mail_server/defaults/main.yml
deleted file mode 100644
index 0534550..0000000
--- a/roles/mail_server/defaults/main.yml
+++ /dev/null
@@ -1,15 +0,0 @@
----
-postfix_config_file: /etc/postfix/main.cf
-aliases_config_file: /etc/aliases
-
-postfix_service_state: started
-postfix_service_enabled: yes
-
-postfix_inet_interfaces: localhost
-postfix_inet_protocols: all
-
-alias_email: "{{ system_admin_email }}"
-
-dkim_mail_key: ""
-dkim_mail_txt: ""
-dkim_mail_domain: ""
diff --git a/roles/mail_server/handlers/main.yml b/roles/mail_server/handlers/main.yml
deleted file mode 100644
index 80d18eb..0000000
--- a/roles/mail_server/handlers/main.yml
+++ /dev/null
@@ -1,6 +0,0 @@
----
-- name: restart postfix
-  service: name=postfix state=restarted
-
-- name: update aliases
-  command: postalias {{ aliases_config_file }}
diff --git a/roles/mail_server/meta/.galaxy_install_info b/roles/mail_server/meta/.galaxy_install_info
deleted file mode 100644
index cbb7927..0000000
--- a/roles/mail_server/meta/.galaxy_install_info
+++ /dev/null
@@ -1 +0,0 @@
-{install_date: 'Sun Jul 12 12:53:58 2020', version: 2.0.0}
diff --git a/roles/mail_server/meta/main.yml b/roles/mail_server/meta/main.yml
deleted file mode 100644
index ac04dfe..0000000
--- a/roles/mail_server/meta/main.yml
+++ /dev/null
@@ -1,23 +0,0 @@
----
-dependencies: []
-
-galaxy_info:
-  author: nemo
-  description: Mail server for RedHat/CentOS or Debian/Ubuntu.
-  company: "Wirebrass"
-  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/roles/mail_server/tasks/alias.yml b/roles/mail_server/tasks/alias.yml
deleted file mode 100644
index b930fb9..0000000
--- a/roles/mail_server/tasks/alias.yml
+++ /dev/null
@@ -1,9 +0,0 @@
----
-- name: Update mail aliases.
-  lineinfile:
-    dest: "{{ aliases_config_file }}"
-    line: "root: {{ alias_email }}"
-    regexp: "^root:"
-  when: alias_email != "root"
-  notify: update aliases
-
diff --git a/roles/mail_server/tasks/dkim.yml b/roles/mail_server/tasks/dkim.yml
deleted file mode 100644
index 96cb8d6..0000000
--- a/roles/mail_server/tasks/dkim.yml
+++ /dev/null
@@ -1,17 +0,0 @@
----
-- name: DKIM key deployed.
-  copy:
-    dest: "/etc/dkimkeys/{{ dkim_mail_domain }}.mail.key"
-    content: "{{ dkim_mail_key }}\n"
-    owner: _rspamd
-    group: root
-    mode: 0400
-
-- name: DKIM txt file with DNS record deployed.
-  copy:
-    dest: "/etc/dkimkeys/{{ dkim_mail_domain }}.mail.txt"
-    content: "{{ dkim_mail_txt }}\n"
-    owner: root
-    group: root
-    mode: 0600
-
diff --git a/roles/mail_server/tasks/main.yml b/roles/mail_server/tasks/main.yml
deleted file mode 100644
index d3d94c4..0000000
--- a/roles/mail_server/tasks/main.yml
+++ /dev/null
@@ -1,9 +0,0 @@
----
-- name: Include OS-specific variables.
-  include_vars: "{{ ansible_os_family }}.yml"
-
-- import_tasks: package.yml
-- import_tasks: dkim.yml
-- import_tasks: alias.yml
-- import_tasks: postfix.yml
-
diff --git a/roles/mail_server/tasks/package.yml b/roles/mail_server/tasks/package.yml
deleted file mode 100644
index 633a943..0000000
--- a/roles/mail_server/tasks/package.yml
+++ /dev/null
@@ -1,51 +0,0 @@
----
-- name: Ensure postfix is installed.
-  package:
-    name: postfix
-    state: present
-
-- name: Ensure dovecot-core is installed.
-  package:
-    name: dovecot-core
-    state: present
-
-- name: Ensure dovecot-antispam is installed.
-  package:
-    name: dovecot-antispam
-    state: present
-
-- name: Ensure dovecot-imapd is installed.
-  package:
-    name: dovecot-imapd
-    state: present
-
-- name: Ensure dovecot-sieve is installed.
-  package:
-    name: dovecot-sieve
-    state: present
-
-- name: Ensure fail2ban is installed.
-  package:
-    name: fail2ban
-    state: present
-
-- name: Ensure mailutils is installed.
-  package:
-    name: mailutils
-    state: present
-
-- name: Ensure rspamd is installed.
-  package:
-    name: rspamd
-    state: present
-
-- name: Ensure opendkim is installed.
-  package:
-    name: opendkim
-    state: present
-
-- name: Ensure opendkim-tools is installed.
-  package:
-    name: opendkim-tools
-    state: present
-
diff --git a/roles/mail_server/tasks/postfix.yml b/roles/mail_server/tasks/postfix.yml
deleted file mode 100644
index 855859c..0000000
--- a/roles/mail_server/tasks/postfix.yml
+++ /dev/null
@@ -1,21 +0,0 @@
----
-- name: Update Postfix configuration.
-  lineinfile:
-    dest: "{{ postfix_config_file }}"
-    line: "{{ item.name }} = {{ item.value }}"
-    regexp: "^{{ item.name }} ="
-  with_items:
-    - name: inet_interfaces
-      value: "{{ postfix_inet_interfaces }}"
-    - name: inet_protocols
-      value: "{{ postfix_inet_protocols }}"
-    - name: myhostname
-      value: "{{ inventory_hostname }}"
-  notify: restart postfix
-
-- name: Ensure postfix is started and enabled at boot.
-  service:
-    name: postfix
-    enabled: "{{ postfix_service_enabled }}"
-  notify: restart postfix
-
diff --git a/roles/mail_server/vars/Debian.yml b/roles/mail_server/vars/Debian.yml
deleted file mode 100644
index 23c593e..0000000
--- a/roles/mail_server/vars/Debian.yml
+++ /dev/null
@@ -1,2 +0,0 @@
----
-aliases_config_file: /etc/aliases
diff --git a/roles/mail_server/vars/Gentoo.yml b/roles/mail_server/vars/Gentoo.yml
deleted file mode 100644
index e9edc07..0000000
--- a/roles/mail_server/vars/Gentoo.yml
+++ /dev/null
@@ -1,2 +0,0 @@
----
-aliases_config_file: /etc/mail/aliases
diff --git a/roles/mail_server/vars/RedHat.yml b/roles/mail_server/vars/RedHat.yml
deleted file mode 100644
index 23c593e..0000000
--- a/roles/mail_server/vars/RedHat.yml
+++ /dev/null
@@ -1,2 +0,0 @@
----
-aliases_config_file: /etc/aliases