Microsoft announced today that inbound SMTP DANE with DNSSEC for Exchange Online, a new capability to boost email security and integrity, is now generally available. [...]
source https://www.bleepingcomputer.com/news/microsoft/exchange-online-adds-inbound-dane-with-dnssec-for-everyone/
source https://www.bleepingcomputer.com/news/microsoft/exchange-online-adds-inbound-dane-with-dnssec-for-everyone/