tychotithonus

joined 2 years ago
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Important reminder, if you own a domain name and don't use it for sending email. in c/cybersecurity@fedia.io
[–] tychotithonus@infosec.exchange 3 points 2 months ago

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

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

MX 10 "."