(BODYSTRUCTURE (("text" "plain" ("charset" "utf-8") NIL NIL "quoted-printable" 23 1 "662f10fbf9590f1e915b77b0f7d7f2f4" NIL NIL NIL) ("text" "plain" ("charset" "utf-8") NIL NIL "base64" 28 0 "c68ae9e42bc953e54498266535db5162" NIL NIL NIL) ("text" "plain" ("charset" "utf-8") NIL NIL "base64" 8 0 "2175a12df2d19e60841f96d91daae622" NIL NIL NIL) "mixed" ("boundary" "foo") NIL NIL NIL))