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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
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