| Email address munging: results of test | ||||||
| received spam messages | effectiveness | |||||
| plain email | munged email | |||||
| monthly | yearly | monthly | yearly | monthly | yearly | |
| Nov 2004 | 1 | 2 | 0 | 0 | 100.00% | 100.00% |
| Dec 2004 | 1 | 0 | 100.00% | |||
| Jan 2005 | 2 | 111 | 0 | 6 | 100.00% | 94.59% |
| Feb 2005 | 3 | 0 | 100.00% | |||
| Mar 2005 | 6 | 1 | 83.33% | |||
| Apr 2005 | 9 | 0 | 100.00% | |||
| May 2005 | 4 | 0 | 100.00% | |||
| Jun 2005 | 6 | 3 | 50.00% | |||
| Jul 2005 | 4 | 1 | 75.00% | |||
| Aug 2005 | 14 | 1 | 92.86% | |||
| Sep 2005 | 13 | 0 | 100.00% | |||
| Oct 2005 | 5 | 0 | 100.00% | |||
| Nov 2005 | 20 | 0 | 100.00% | |||
| Dec 2005 | 25 | 0 | 100.00% | |||
| Jan 2006 | 12 | 918 | 1 | 94 | 91.67% | 89.76% |
| Feb 2006 | 28 | 1 | 96.43% | |||
| Mar 2006 | 54 | 3 | 94.44% | |||
| Apr 2006 | 78 | 4 | 94.87% | |||
| May 2006 | 149 | 0 | 100.00% | |||
| Jun 2006 | 73 | 11 | 84.93% | |||
| Jul 2006 | 86 | 13 | 84.88% | |||
| Aug 2006 | 88 | 2 | 97.73% | |||
| Sep 2006 | 90 | 7 | 92.22% | |||
| Oct 2006 | 86 | 24 | 72.09% | |||
| Nov 2006 | 53 | 27 | 49.06% | |||
| Dec 2006 | 121 | 1 | 99.17% | |||
| Jan 2007 | 86 | 759 | 0 | 11 | 100.00% | 98.55% |
| Feb 2007 | 81 | 4 | 95.06% | |||
| Mar 2007 | 79 | 0 | 100.00% | |||
| Apr 2007 | 42 | 1 | 97.62% | |||
| May 2007 | 45 | 0 | 100.00% | |||
| Jun 2007 | 35 | 0 | 100.00% | |||
| Jul 2007 | 29 | 1 | 96.55% | |||
| Aug 2007 | 117 | 1 | 99.15% | |||
| Sep 2007 | 132 | 3 | 97.73% | |||
| Oct 2007 | 58 | 0 | 100.00% | |||
| Nov 2007 | 25 | 1 | 96.00% | |||
| Dec 2007 | 30 | 0 | 100.00% | |||
| Jan 2008 | 15 | 336 | 0 | 1 | 100.00% | 99.70% |
| Feb 2008 | 58 | 0 | 100.00% | |||
| Mar 2008 | 92 | 0 | 100.00% | |||
| Apr 2008 | 74 | 0 | 100.00% | |||
| May 2008 | 37 | 0 | 100.00% | |||
| Jun 2008 | 20 | 0 | 100.00% | |||
| Jul 2008 | 19 | 0 | 100.00% | |||
| Aug 2008 | 9 | 0 | 100.00% | |||
| Sep 2008 | 4 | 0 | 100.00% | |||
| Oct 2008 | 2 | 1 | 50.00% | |||
| Nov 2008 | 1 | 0 | 100.00% | |||
| Dec 2008 | 5 | 0 | 100.00% | |||
| Jan 2009 | 8 | 299 | 2 | 6 | 75.00% | 97.99% |
| Feb 2009 | 10 | 0 | 100.00% | |||
| Mar 2009 | 4 | 0 | 100.00% | |||
| Apr 2009 | 9 | 0 | 100.00% | |||
| May 2009 | 44 | 0 | 100.00% | |||
| Jun 2009 | 26 | 0 | 100.00% | |||
| Jul 2009 | 27 | 0 | 100.00% | |||
| Aug 2009 | 20 | 1 | 95.00% | |||
| Sep 2009 | 20 | 0 | 100.00% | |||
| Oct 2009 | 29 | 1 | 96.55% | |||
| Nov 2009 | 43 | 2 | 95.35% | |||
| Dec 2009 | 59 | 0 | 100.00% | |||
| TOTAL | 2425 | 118 | 95.13% | |||
| http://www.crans.org/~raffo/aem | ||||||