Initial support for DANE validation has landed in Sendmail: ftp://ftp.sendmail.org/pub/sendmail (or mirror https://ftp.bit.nl/mirror/sendmail/RELEASE_NOTES <https://t.co/fWpwDncaRt?amp=1>). "Only TLSA RR 3-1-x is currently implemented." For other DANE supporting software & services check: https://github.com/baknu/DANE-for-SMTP/wiki/3.-Software-and-service-support
Regards, Dennis on behalf of Internet.nl
