Add self-service domain registration

core/admin/mailu/ui/templates/domain/signup.html

@@ -0,0 +1,36 @@
+{% extends "base.html" %}
+
+{% block title %}
+{% trans %}Register a domain{% endtrans %}
+{% endblock %}
+
+{% block content %}
+
+<form class="form" method="post" role="form">
+  {{ form.hidden_tag() }}
+
+  {% call macros.box(title="Requirements") %}
+  <p>{% trans %}In order to register a new domain, you must first setup the
+    domain zone so that the domain <code>MX</code> points to this server{% endtrans %}
+    (<code>{{ config["HOSTNAMES"].split(",")[0] }}</code>).
+  </p>
+  <p>
+    {% trans %}If you do not know how to setup an <code>MX</code> record for your DNS zone,
+    please contact your DNS provider or administrator. Also, please wait a
+    couple minutes after the <code>MX</code> is set so the local server cache
+    expires.{% endtrans %}
+  </p>
+  {% endcall %}
+
+  {% call macros.box() %}
+  {% if form.localpart %}
+  {{ macros.form_fields((form.localpart, form.name), append='<span class="input-group-addon">@</span>') }}
+  {{ macros.form_fields((form.pw, form.pw2)) }}
+  {% else %}
+  {{ macros.form_field(form.name) }}
+  {% endif %}
+  {{ macros.form_field(form.captcha) }}
+  {{ macros.form_field(form.submit) }}
+  {% endcall %}
+</form>
+{% endblock %}

core/admin/mailu/ui/templates/sidebar.html

@@ -92,6 +92,13 @@
         <i class="fa fa-life-ring"></i> <span>{% trans %}Help{% endtrans %}</span>
       </a>
     </li>
+    {% if config['DOMAIN_REGISTRATION'] %}
+    <li>
+      <a href="{{ url_for('.domain_signup') }}">
+        <i class="fa fa-plus-square"></i> <span>{% trans %}Register a domain{% endtrans %}</span>
+      </a>
+    </li>
+    {% endif %}
     {% if current_user.is_authenticated %}
     <li>
       <a href="{{ url_for('.logout') }}">