- Basic rendering of HTML message parts
- Displaying of attached images
- Optional fetching and displaying of remote images
- Remote image caching
- The ability to Reply to the message, quoting the selected text
libgtkhtml is required,
ftp://ftp.gnome.org/pub/gnome/sources/libgtkhtml/
libcurl is an optional requirement, used for remote image fetching,
http://curl.haxx.se/libcurl/