(BODY (("text" "plain" ("charset" "iso-8859-1") NIL NIL "quoted-printable" 799 15)("image" "png" ("name" "blueball.png") NIL NIL "base64" 1816)("image" "png" ("name" "greenball.png") NIL NIL "base64" 1778)("image" "png" ("name" "redball.png") NIL NIL "base64" 1992) "mixed"))