Exchange Online Previews Inbound SMTP DANE with DNSSEC
On July 17, Microsoft announced the public preview of inbound SMTP DANE with DNSSEC for Exchange Online, a welcome step forward to improve messaging security. A previous attempt to launch the preview foundered because Microsoft wanted to insist on Microsoft 365 E5 licenses for the feature. Mature reflection prevailed and inbound DANE with DNSSEC is available to all, which is how it should be.
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