Please try not to use all capitals when posting, as it is considered to be SHOUTING.
MIME is an agreed standard for displaying formatted email messages, such as fancy or coloured fonts, as well as embedding pictures and backgrounds into emails. See click here for all you might want to know about MIME.
I presume that you are having difficulty with displaying MIME-encoded emails correctly? If you can give a clear and detailed description of the problem, I am sure we can help.