[skip ci] automated docs update

README.md

@@ -1 +1,104 @@
 # xoxys.postfix_relay
+
+[![Build Status](https://ci.rknet.org/api/badges/ansible/xoxys.postfix_relay/status.svg)](https://ci.rknet.org/repos/ansible/xoxys.postfix_relay)
+[![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg?label=license)](https://gitea.rknet.org/ansible/xoxys.postfix_relay/src/branch/main/LICENSE)
+
+Setup postfix as mail relay.
+
+## Table of content
+
+- [Requirements](#requirements)
+- [Default Variables](#default-variables)
+  - [postfix_relay_auth_password](#postfix_relay_auth_password)
+  - [postfix_relay_auth_user](#postfix_relay_auth_user)
+  - [postfix_relay_relaydomain](#postfix_relay_relaydomain)
+  - [postfix_relay_relayhost](#postfix_relay_relayhost)
+  - [postfix_relay_relayport](#postfix_relay_relayport)
+  - [postfix_relay_senders](#postfix_relay_senders)
+  - [postfix_relay_smtpd_banner](#postfix_relay_smtpd_banner)
+- [Dependencies](#dependencies)
+- [License](#license)
+- [Author](#author)
+
+---
+
+## Requirements
+
+- Minimum Ansible version: `2.10`
+
+## Default Variables
+
+### postfix_relay_auth_password
+
+#### Default value
+
+```YAML
+postfix_relay_auth_password: pass01
+```
+
+### postfix_relay_auth_user
+
+#### Default value
+
+```YAML
+postfix_relay_auth_user: user01
+```
+
+### postfix_relay_relaydomain
+
+#### Default value
+
+```YAML
+postfix_relay_relaydomain: smtp.org
+```
+
+### postfix_relay_relayhost
+
+#### Default value
+
+```YAML
+postfix_relay_relayhost: test.{{ postfix_relay_relaydomain }}
+```
+
+### postfix_relay_relayport
+
+#### Default value
+
+```YAML
+postfix_relay_relayport: '587'
+```
+
+### postfix_relay_senders
+
+#### Default value
+
+```YAML
+postfix_relay_senders:
+  - user: root
+    address: '{{ ansible_hostname }}@{{ postfix_relay_relaydomain }}'
+```
+
+### postfix_relay_smtpd_banner
+
+`smtpd_banner` contains $myhostname by default and
+can't be removed. Options from the list will be appended.
+
+#### Default value
+
+```YAML
+postfix_relay_smtpd_banner:
+  - ESMTP
+  - $mail_name
+```
+
+## Dependencies
+
+None.
+
+## License
+
+MIT
+
+## Author
+
+[Robert Kaussow](https://gitea.rknet.org/xoxys)