for those following along, I find this a useful, summary reference
Hands-on: implementing DANE in PostfixCryptographic security for mail transport https://www.sidn.nl/en/news-and-blogs/hands-on-implementing-dane-in-postfix
for those following along, I find this a useful, summary reference
Hands-on: implementing DANE in PostfixCryptographic security for mail transport https://www.sidn.nl/en/news-and-blogs/hands-on-implementing-dane-in-postfix