The original message is corrupt. Those question marks are actually in the message source:
Quote:
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable
T=C3=B4i ?ang ki?m tra xem kh=C3=B4ng bi?t Zimbra c=C3=B3 h? tr? g?i mail v=
?i Unicode kh=C3=B4ng?=20
=0A=0A=0A
|