ctf-like WKD challenge (was: WKD proper behavior on fetch error)

[Stefan Claas]

On Thu, Jan 21, 2021 at 8:02 AM Stefan Claas
<spam.trap.mailing.lists at gmail.com> wrote:

> The nice things about OpenPGP amored messages is also that
> procmail and friends can be used at providers to filter -----BEGIN blah

P.S. When Stale Schumacher ran the International PGP Homepage in the 90's
people could download PGP for Unix, VAX/VMS, Windows and the Mac
(there was no Linux IIRC available at that time) and there was a stealth
mode available, e.g. to hide the -----BEGIN blah in armored messages.

Regards
Stefan