http://zkaan2xfbuxia2wpf7ofnkbz6r5zdbbvxbunvp5g2iebopbfc4iqmbad.onion/about/news
We made several small operational improvements
including deployment of DNSSEC ,
implementing some rate-limiting ,
nailing down our content security policy headers,
and enabling single-hop mode on our Tor Onion Service.
You can find a more complete list here . Secure email delivery with MTA-STS One improvement that deserves special mention is MTA-STS ,
which improves the security of outgoing emails.