On Feb 7, 9:54pm, Frank Ellermann wrote:
}
} I've got two replies saying that it's a bit like DKIM.
Yes. Like DKIM, except that when the sender computes his
cryptographic hash of the message, he must "phone home" to
the Goodmail server to obtain a validating token.
} Thinking about this for some time: Apparently receivers
} "see" what's a "good mail" without asking third parties,
AIUI, the receiver just has to compare the message content
to the crypto in the header. Proprietary software supplied
by Goodmail is necessary at both sender and receiver sites,
so you must own a brand-name MTA that has partnered with
Goodmail.
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