Predictive Value

Wiki MarkupThis is a scheme for [MeasuringAccuracy], used in Renaissoft's \[http://www.maiamailguard.com/ Maia Mailguard\] among others. quoting a mail from Robert Le Blanc (subject 'Re: Brightmail', Tue 30 Nov 2004 10:06:06 -0800, sent to the [SpamAssassin] users list):

'Gray, Richard wrote:

| Can anyone shed any light on how Brightmail achieves the rather
| impressive statistics it is quoting, or do you think it is just smoke
| and mirrors?

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