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Greylisting

Our IT department installed a Greylisting filter on our server two days ago. The technique is efficient, smart and yet simple and I wonder why we didn’t hear about it sooner.

  • Until August 4th, 2004: 30 spams a day or 6700 since January 1st;
  • Since August 4th: 0 spam a day or 0 in total.

Small digression: Here, the Google Spell Check gives:

  • Gray: 24’800’000
  • Grey: 24’500’000

Which is consistent with the observation that the British term is the second more frequent.

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