Much work is needed for email authorizations to supplant old-fangled faxes as the de facto standard for virtual card authorizations. That is, if the industry cannot first dispense with both.

Conferma last month described its new encrypted email solution as a PCI-compliant "breakthrough." The company says it is cheaper than sending faxes and approved by such banking partners as American Express and Barclaycard. Other virtual payment firms also are looking at email authorizations. There are some obvious advantages over faxes, but emailing isn't a perfect model.

"It . . .

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