Email & spam statistics - Fiscal Year 2009
Total email: delivered & filtered spam (data is measured in millions)
Filtered or deleted spam
| Data is measured in millions | ||||
| FY0 | Month | Monthly total (million) | Daily average (million) | Spam as a percentage of all email |
| 1st quarter | July 2008 | 82.5 | 2.6 | 91.97% |
| August 2008 | 123 | 4 | 94.54% |
|
| September 2008 | 79.3 | 2.6 | 86.20% |
|
| 2nd quarter | October 2008 | 62 | 2 | 80% |
| November 2008 | 45.5 | 1.5 | 82% | |
| December 2008 | 56.2 | 1.8 | 86% | |
| 3rd quarter | January 2009 | 56.7 | 1.8 | 86% |
| February 2009 | 30.0 | 1.1 | 73% | |
| March 2009 | 53.2 | 1.7 | 84% | |
| 4th quarter | April 2009 | 92.49 | 3.08 | 88% |
| May 2009 | 75.73 | 2.52 | 90% | |
| June 2009 | 78.83 | 2.63 | 93% | |
Delivered email
| FY09 | Month | Monthly total (millions) |
| 1st quarter | July 2008 | 7.2 |
| August 2008 | 7.1 |
|
| September 2008 | 12.7 |
|
| 2nd quarter | October 2008 | 12.8 |
| November 2008 | 10 |
|
| December 2008 | 8.7 |
|
| 3rd quarter | January 2009 | 9.5 |
| February 2009 | 11.0 | |
| March 2009 | 9.9 | |
| 4th quarter | April 2009 | 12.62 |
| May 2009 | 8.18 | |
| June 2009 | 6.22 |
Total email processed
Includes email coming into Yale from the Internet as well as email originating at Yale.
| FY09 | Data is measured in millions | |
| 1st quarter | Jul-08 |
89.7 |
Aug-08 |
130.1 |
|
Sep-08 |
92 |
|
| 2nd quarter | Oct-08 |
74.8 |
Nov-08 |
55.5 |
|
Dec-08 |
64.9 |
|
| 3rd quarter | Jan-09 |
66.2 |
Feb-09 |
41 | |
Mar-09 |
63.1 | |
| 4th quarter | April-09 |
105.11 |
May-09 |
83.91 | |
June-09 |
85.05 | |
