Important reminder, if you own a domain name and don't use it for sending email. by tychotithonus in c/cybersecurity@fedia.io

[-] tychotithonus@infosec.exchange 3 points 1 month ago

@Jerry@hear-me.social No-email domains can also set a null MX:

https://www.rfc-editor.org/rfc/rfc7505.html

MX 10 "."

tychotithonus

joined 2 years ago