Tickets :: Comment on [#7308] Sieve: numeric comparison with negative numbers fails

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Comment	> That's right. The problem is, as Sieve simply doesn't compare > negative numbers correctly, there's no way to really fix it. If the > header or comparison value are negative, the result is undefined. > > > > See RFC (from January 2008): http://tools.ietf.org/html/rfc5231 > > It's the standard that says that the comparison doesn't support > negative numbers, so probably this won't be fixed soon. Maybe Horde > should display a warning when using the Sieve backend. > > > > It works for the spam case because the reasonable range of > X-Spam-Score is positive and we can assume that mails with a negative > score won't be spam regardless of the score.
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