Hi, In my Outlook Express, I saw some messages contain characters like '=3D', '=20', '=09' . You might see in deja.com also. http://x62.deja.com/[ST_rn=fs]/threadmsg_if.xp?thitnum=3&AN=685511759.1&mhit num=2&CONTEXT=972453425.1831338007 I have found the messages also have contain 'Organization: from Mailing List to NetNews' and 'Aleksi Niemel=E4'. I guess '=E4' means a umlaut(a") and '=3D' means '=' in quoted-printable format. "Content-Transfer-Encoding: quoted-printable" header must be inserted for that case. Hee-Sob Park.