I'm sorry, I got that backwards. What I meant to say is: On Wed, Jul 8, 2020 at 9:04 AM Murray S. Kucherawy <[email protected]> wrote:
> On Wed, Jul 8, 2020 at 1:21 AM Dotzero <[email protected]> wrote: > >> At what overhead cost? You have to hold the connection open while >> reversing the transformations or you are not in a position to reject (vs >> accepting then rejecting). There are folks currently holding the connection >> while evaluating the DKIM signature but that is lighter weight than >> reversing the transforms AND doing the DNS lookup to validate the DKIM >> signature. >> > That seems to imply DKIM, which relies on DNS and cryptography, is LESS heavyweight than reversing text transformations, which relies only on the local CPU and memory and probably arithmetic. I'm not sure I agree. -MSK
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