Insert Record in MySQL Database from eMail

I have a need to have a record created based on email content. I know there is a way to feed emails to a program so I'm assuming that any email can be submitted to some type of script that would allow me to add the content of said email into a database record. An ideal situation would be to be able to strip the e-mail's "from" field, "subject" field, "content" field and so forth and add that info to separate fields in a table in the database. Any one have any ideas on how to go about doing that? Better yet a script or how-to I see? Thanks