Quoted printable
================
Mime detection = "Content-Transfer-Encoding: quoted-printable"
Other detection = None
=\n    Ignore the newline
=xx    xx=2 hex.-digits -> 8-Bit character


Base64
======
Mime detection = "Content-Transfer-Encoding: base64"
Other detection = None

Using the following alphabet (65 chars)
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="
Char 1-64 be used to convert (6Bit)
Char 65 marks the end
4x6Bit = 3x8Bit   AAAAAA AABBBB BBBBCC CCCCCC = AAAAAAAA BBBBBBBB CCCCCCCC



Uuencode
========
Mime detection = "Content-Transfer-Encoding: x-uuencode"
Other detection = "begin xxx filename" where xxx=fileperm. (octal)

Using the ascii alphabet (SPACE = 0) and using 6 bit 