From: u@example.com
Content-Type: multipart/mixed;
  boundary="----=_NextPart_000_0D48_01CE140D.19527DD0"


------=_NextPart_000_0D48_01CE140D.19527DD0
Content-Type: multipart/related;
	boundary="----=_NextPart_001_0D49_01CE140D.19527DD0"


------=_NextPart_001_0D49_01CE140D.19527DD0
Content-Type: multipart/alternative;
	boundary="----=_NextPart_002_0D4A_01CE140D.19527DD0"


------=_NextPart_002_0D4A_01CE140D.19527DD0
Content-Transfer-Encoding: quoted-printable
Content-Type: text/plain;
	charset="utf-8"


Dear Sir,

Good evening.


 


------=_NextPart_002_0D4A_01CE140D.19527DD0
Content-Transfer-Encoding: quoted-printable
Content-Type: text/html;
	charset="utf-8"

<p>Dear Sir</p>
<p>Good evening.</p>
<p></p>
------=_NextPart_002_0D4A_01CE140D.19527DD0--

------=_NextPart_000_0D48_01CE140D.19527DD0
Content-Type: multipart/alternative; boundary="===============1276485360=="
MIME-Version: 1.0
Content-Disposition: inline

--===============1276485360==
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: quoted-printable



The footer

--===============1276485360==
Content-Type: text/html; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: quoted-printable

<p>The footer</p>

--===============1276485360==--
------=_NextPart_000_0D48_01CE140D.19527DD0--