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The point of DKIM is to provide DURING TRANSIT that a server is the server is allowed to send emails from that domain. Once the transaction is completed, it doe
by withinboredom 2y ago
The point of DKIM is to provide DURING TRANSIT that a server is the server is allowed to send emails from that domain. Once the transaction is completed, it doesn't matter if the key even continues to exist: it was verified during transit.
The fact that people do not rotate keys or use secure keys means that you can use it for other things as well, like detecting forgeries. It wasn't meant for humans, but for machines.