On 2 Jul 2019, at 8:42, Kevin A. McGrail wrote:

Mark, can you put a sample up on pastebin? That looks like ASCII hex but
ending up with UTF-8 chars I think.

It is QP-encoded UTF-8, with the code points being chosen for visual equivalence to small latin capitals (mostly in the IPA Extensions block, but including some from such fun areas of Unicode as the Sudanese Supplement block.) There are also ASCII 's' and "'" and '-' characters used without encoding.

The decoded text reads as a set of lurid accusations in broken English about a workplace in Poland. The first word that comes to mind for me is "deranged" but I suppose that's judgmental...


I can't remember an encoding format
like that so hoping the sample gives me a hint.

Regards,
KAM
--
Kevin A. McGrail
Member, Apache Software Foundation
Chair Emeritus Apache SpamAssassin Project
https://www.linkedin.com/in/kmcgrail - 703.798.0171


On Tue, Jul 2, 2019 at 8:17 AM Mark London <m...@psfc.mit.edu> wrote:

Hi - I'm trying to filter emails that have only special characters in
them.   Like the text of the following email.  Thanks. - Mark

- =CA=9C=C9=AA=CA=80=E1=B4=87s s=CA=9C=E1=B4=87=E1=B4=8D=E1=B4=80=CA=9F=E1= =B4=87s =E1=B4=9B=E1=B4=8F s=E1=B4=9C=E1=B4=84=E1=B4=8B =E1=B4=9B=CA=9C=E1=
=B4=87=C9=AA=CA=80 =E1=B4=84=E1=B4=8F=E1=B4=84=E1=B4=8B =C9=AA=C9=B4
=E1=B4=
=9B=CA=9C=E1=B4=87 =E1=B4=84=E1=B4=8F=E1=B4=8D=E1=B4=98=E1=B4=80=C9=B4=CA=
=8F's =E1=B4=9B=E1=B4=8F=C9=AA=CA=9F=E1=B4=87=E1=B4=9Bs.=20=20
-
=E1=B4=8D=E1=B4=80s=E1=B4=9B=E1=B4=9C=CA=80=CA=99=E1=B4=80=E1=B4=9B=E1=B4=
=87 =E1=B4=8F=C9=B4 =E1=B4=9B=CA=9C=E1=B4=87
=E1=B4=87=E1=B4=8D=E1=B4=98=CA=
=9F=E1=B4=8F=CA=8F=E1=B4=87=E1=B4=87s =E1=B4=84=E1=B4=A0's.=20=20
- =D2=93=C9=AA=CA=80=E1=B4=87s =E1=B4=87=E1=B4=8D=E1=B4=98=CA=9F=E1=B4=8F= =CA=8F=E1=B4=87=E1=B4=87s =C9=AA=D2=93 =E1=B4=9B=CA=9C=E1=B4=87=CA=8F =E1= =B4=85=E1=B4=8F=C9=B4'=E1=B4=9B =E1=B4=98=CA=80=E1=B4=80=E1=B4=84=E1=B4=9B= =C9=AA=E1=B4=84=E1=B4=87 =E1=B4=98=CA=80=E1=B4=8Fs=E1=B4=9B=C9=AA=E1=B4=9B=
=E1=B4=9C=E1=B4=9B=C9=AA=E1=B4=8F=C9=B4.=20=20
- =C9=AAs =E1=B4=80
=E1=B4=98s=CA=8F=E1=B4=84=CA=9C=E1=B4=8F=E1=B4=98=E1=B4=
=80=E1=B4=9B=CA=9C.=20=20
- s=E1=B4=87=C9=B4=E1=B4=85 =E1=B4=9B=CA=9C=E1=B4=87 =E1=B4=98=E1=B4=8F=CA=
=9F=C9=AA=E1=B4=84=E1=B4=87 =C9=AA=C9=B4 =E1=B4=9B=E1=B4=8F
=CA=8F=E1=B4=8F=
=E1=B4=9C=CA=80 =CA=9C=E1=B4=8F=E1=B4=8D=E1=B4=87 =C9=AA=D2=93
=CA=8F=E1=B4=
=8F=E1=B4=9C =E1=B4=84=E1=B4=8F=E1=B4=8D=E1=B4=98=CA=9F=E1=B4=80=C9=AA=C9= =B4 =E1=B4=80=CA=99=E1=B4=8F=E1=B4=9C=E1=B4=9B =E1=B4=8D=E1=B4=80=C9=B4=E1=
=B4=80=C9=A2=E1=B4=87=CA=80's =E1=B4=80=CA=99=E1=B4=9Cs=E1=B4=87s!

=E1=B4=84=E1=B4=8F=E1=B4=8D=E1=B4=98=CA=9F=E1=B4=80=C9=AA=C9=B4=E1=B4=9B = =E1=B4=9B=E1=B4=8F =E1=B4=A1=CA=80=E1=B4=8F=E1=B4=84=CA=9F=E1=B4=80=E1=B4= =A1 =E1=B4=98=E1=B4=8F=CA=9F=C9=AA=E1=B4=84=E1=B4=87 =E1=B4=9B=CA=9C=E1=B4= =80=E1=B4=9B =C9=AA=CA=99=E1=B4=8D =E1=B4=A1=CA=80=E1=B4=8F=E1=B4=84=CA=9F= =E1=B4=80=E1=B4=A1 =E1=B4=98=CA=80=E1=B4=80=E1=B4=84=E1=B4=9B=C9=AA=E1=B4= =84=E1=B4=87 =E1=B4=98=CA=80=E1=B4=8Fs=E1=B4=9B=C9=AA=E1=B4=9B=E1=B4=9C=E1=
=B4=9B=C9=AA=E1=B4=8F=C9=B4:


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