2017.07.14 22:40:58 (885962345205436416) from Daniel J. Bernstein:
Apparently @google decided to destroy the entire crypto-competitions@googlegroups.com mailing list because someone sent a drug spam message.
2017.07.14 22:50:14 (885964680019275776) from Daniel J. Bernstein:
No warning before or after, as far as I can tell. Supposedly @Google offers an "appeal" process but after several searches I can't find it.