@Wolf480pl@niu.moe @jerry @Aaron@boringpeople.org exectamente! But we have to be explicit about what we're talking about (incidentally, anyone who heard me talk in private about infosec and internet messaging knows just *how* explicit I get, but I digress).
The last two of your points is what I meant by "infra around it". That's the hard part. The network effect.
But we have a head start since SMTP is an open standard.
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