...
    <mail>
      <aliases config:type="list">
        <alias>
          <alias>root</alias>
          <comment></comment>
          <destinations>foo</destinations>
        </alias>
        <alias>
          <alias>test</alias>
          <comment></comment>
          <destinations>foo</destinations>
        </alias>
      </aliases>
      <connection_type config:type="symbol">permanent</connection_type>
      <fetchmail config:type="list">
        <fetchmail_entry>
          <local_user>foo</local_user>
          <password>bar</password>
          <protocol>POP3</protocol>
          <remote_user>foo</remote_user>
          <server>pop.foo.com</server>
        </fetchmail_entry>
        <fetchmail_entry>
          <local_user>test</local_user>
          <password>bar</password>
          <protocol>IMAP</protocol>
          <remote_user>test</remote_user>
          <server>blah.com</server>
        </fetchmail_entry>
      </fetchmail>
      <from_header>test.com</from_header>
      <listen_remote config:type="boolean">true</listen_remote>
      <local_domains config:type="list">
        <domains>test1.com</domains>
      </local_domains>
      <masquerade_other_domains config:type="list">
        <domain>blah.com</domain>
      </masquerade_other_domains>
      <masquerade_users config:type="list">
        <masquerade_user>
          <address>joe@test.com</address>
          <comment></comment>
          <user>joeuser</user>
        </masquerade_user>
        <masquerade_user>
          <address>bar@test.com</address>
          <comment></comment>
          <user>foo</user>
        </masquerade_user>
      </masquerade_users>
      <mta config:type="symbol">postfix</mta>
      <outgoing_mail_server>test.com</outgoing_mail_server>
      <postfix_mda config:type="symbol">local</postfix_mda>
      <smtp_auth config:type="list">
        <listentry>
          <password>bar</password>
          <server>test.com</server>
          <user>foo</user>
        </listentry>
      </smtp_auth>
      <use_amavis config:type="boolean">true</use_amavis>
      <virtual_users config:type="list">
        <virtual_user>
          <alias>test.com</alias>
          <comment></comment>
          <destinations>foo.com</destinations>
        </virtual_user>
        <virtual_user>
          <alias>geek.com</alias>
          <comment></comment>
          <destinations>bar.com</destinations>
        </virtual_user>
      </virtual_users>
    </mail>
...