decode a quoted printable message in php
This should help: quoted_printable_decode
quoted-printable
C#: Class for decoding Quoted-Printable encoding?
There is functionality in the framework libraries to do this, but it doesn’t appear to be cleanly exposed. The implementation is in the internal class System.Net.Mime.QuotedPrintableStream. This class defines a method called DecodeBytes which does what you want. The method appears to be used by only one method which is used to decode MIME headers. … Read more
What is “=C2=A0” in MIME encoded, quoted-printable text?
=C2=A0 represents the bytes C2 A0. Since this is UTF-8, it translates to U+00A0, which is the Unicode for non-breaking space. See UTF-8 (Wikipedia).