In case someone cares:
$ curl -sD- -o/dev/null https://mta-sts.hotmail.com/.well-known/mta-sts.txt | grep ^HTTP HTTP/1.1 500 Internal Server ErrorSame for hotmail.com. Started seeing this in the night between January 6 and 7.
-- -- Andreas :-) _______________________________________________ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop