Is you "security" provider making love with gogol and its whatwg cartel friends or do I have active parasites on my internet lines?
Well, HN comments are kind of dead: too many AI bots and a abused "karma" system. Not allowed to disagree or provide alternatives.
Sorta no point in argumenting.
Still, we can use news and comments as a channel of communication and publishing.
And support email addresses with IP literals: mailbox@[x.x.x.x] mailbox@[ipv6:...] for those who are self-hosted and not paying the DNS mob, like myself. You can filter hard incoming emails with IP matching from the TCP connection to the content of the 'from' related headers, this is way stronger than SPF, thx.