On Dec 2, 9:12am, John Leslie wrote:
}
} I would further claim that it would be simple enough, in the case
} of ePostage, to have the receiving MTA specify a set of acceptable
} issuing banks and ensure that each of them _could_ be involved at
} the time of the transaction (which happens at SMTP time).
This is exactly where I was headed when I suggested that the SMTP
MAIL command could carry a parameter describing the bank(s) that
the sender supports, so the recipient MTA can match with its set
of trusted banks.
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