What are you referring to here.
Classifieds is released in english there are no supported languages although your loading the vb
meta utf-8 tag fine
As far as emails our email program is strict straight php mail. If your trying to send out HTML emails you would need to rewrite the email function to send html emails. You can modify all your files if you choose to. Here is an example of an HTML email string. You would need to of course compare that to the other email strings in the php files and modify accordingly
Content visible to verified customers only.
You can further discuss code modifications in the mod forums outside product support.