I am going to list websites that have helped me on this topic enormously and hope they can help you two. I saved these to my bookmarks over time:
- http://en.wikipedia.org/wiki/MIME
- http://reference.sitepoint.com/html/mime-types-full
- http://tools.ietf.org/html/rfc1521
- http://www.hunnysoft.com/mime/
- http://tools.ietf.org/html/rfc2045
- http://tools.ietf.org/html/rfc2046
- http://tools.ietf.org/html/rfc2047
- http://tools.ietf.org/html/rfc2048
- http://tools.ietf.org/html/rfc2049
- http://www.iana.org/assignments/media-types/index.html
- http://www.iana.org/assignments/media-types/video/index.html
- http://www.iana.org/assignments/media-types/application/index.html
- http://www.iana.org/assignments/media-types/audio/index.html
- http://www.iana.org/assignments/media-types/examples/index.html
- http://www.iana.org/assignments/media-types/image/index.html
- http://www.iana.org/assignments/media-types/message/index.html
- http://www.iana.org/assignments/media-types/model/index.html
- http://www.iana.org/assignments/media-types/multipart/index.html
- http://www.iana.org/assignments/media-types/text/index.html
All of these helped me in one way or another and I saved all of them because I will probably need them in the future, hope they help you as much as they did me.