                   class="mailbox-select"
                    multiple
                    name="mailbox"
                    onchange="handleMailboxChange({{ alias.id }}, '{{ alias.email }}')">
              {% for mailbox in mailboxes %}

                <option value="{{ mailbox.id }}" {% if alias_info.contain_mailbox(mailbox.id) %}selected{% endif %}>{{ mailbox.email }}</option>
              {% endfor %}
            </select>
          </div>
        </div>
      {% elif alias_info.mailbox != None and 