plain
richtext
enriched
tab-separated-values
html
sgml
vnd.latex-z
vnd.fmi.flexstor
uri-list
vnd.abc
rfc822-headers
vnd.in3d.3dml
prs.lines.tag
vnd.in3d.spot
css
xml
xml-external-parsed-entity
rtf
directory
calendar
vnd.wap.wml
vnd.wap.wmlscript
vnd.motorola.reflex
vnd.fly
vnd.wap.sl
vnd.wap.si
t140
vnd.ms-mediapackage
vnd.IPTC.NewsML
vnd.IPTC.NITF
vnd.curl
vnd.DMClientScript
parityfec