[RndTbl] SPAM
Trevor Cordes
trevor at tecnopolis.ca
Sat Dec 30 21:07:18 CST 2006
On 29 Dec, Tim Lavoie wrote:
> Speaking of spam, how have other people been doing since the earlier
> discussion on greylisting and/or blocklists?
Here's some greylist stats from some of the servers I administer.
# Summary: 13866 records, 10138 greylisted, 3728 whitelisted
# Summary: 26987 records, 25403 greylisted, 1584 whitelisted
# Summary: 43094 records, 40437 greylisted, 2657 whitelisted
# Summary: 2811 records, 2659 greylisted, 152 whitelisted
Since I've yet to be made aware of any false positives, and since around
95%+ of whitelisted emails appear to be non-spam, you can get a taste of
how much spam is being blocked by this technique alone.
That's with a retention of 5 days for grey, 30 for white.
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