generic source for mail available

sorry about this, it's a bit off the subject, but it will be very much on the subject if I ever find what I am looking for and do what I plan to do to it. Wanted: generic source code for mail. I just want to find some source that is not dependant on bsd or on SVR4 UNIX. It's for a "patch" I am planning for mail and sendmail. thanks in advance, ------------------------------------------------------------------------- To find out more about the anon service, send mail to help@anon.penet.fi. Due to the double-blind, any mail replies to this message will be anonymized, and an anonymous id will be allocated automatically. You have been warned. Please report any problems, inappropriate use etc. to admin@anon.penet.fi.