Thunderbird 145 finally adds 'native' Exchange support
Thunderbird 145 adds native support for Microsoft Exchange using Web Services (EWS), enabling direct connections for on-premises Exchange servers despite EWS deprecation for Exchange Online.
CISA and NSA Issue Urgent Guidance to Secure WSUS and Microsoft Exchange Servers
Harden on-premises Microsoft Exchange Servers by restricting admin access, enforcing MFA, applying TLS/HSTS, patching, migrating EOL servers, and adopting zero trust to reduce exploitation risk.