The linked post shows how most non-tech people’s understanding of email is very very different from most of the people here.
The linked post shows how most non-tech people’s understanding of email is very very different from most of the people here.
And you know how, when you subscribe to a mailing list, you will only receive new mail sent to the list if your server happens to “federate” with the sender’s server?
Oh wait, that’s not how e-mail works.
Email providers absolutely block other email providers who abuse their system.