I got email from 14071789@protonmail.com after answering
31415926535897932384626433832795028841971693993751.mobi/test.txt questions. (more about that in this thread:
archive.4plebs.org/x/thread/17865259)Email content:
Hello
Your test answers have been positively verified
YLQ FRUS YILE ZRMK
OBQOY KSFRU ISMGME TAYFGZES SDCP KATMRFN
QDCS HTKDAYQ SETZEP KETRMV GM R GEKQETK QK DGHPMCLSOS MLR PSUY GYQD
DS TQNLG HFGU RLITX
QDE MOH CS TBCBT DG CTIKQ GD YLU
MEAR FNDTX TCW
RMNIRFRQ
QOYN YKR YLP ZNLH ER FLSKR
The keys are right in front of you
Good luck
Original image from onion is here:
All four images are William Blake's works.
1. painting: 'The Good and Evil Angels'
2. poem: 'The Tyger'
3. poem: 'The Lamb'
4. book: The Marriage of Heaven and Hell
I haven't been able to use those hints to decrypt the email.
I am using rumkin.com for decryption.
rumkin.com/tools/cipher/playfair.php. So far pi.mobi used Vigenere and Playfair ciphers.