| Date | Description |
|---|---|
| 2022-07-27 | insert email dd..@columbia.edu |
| 2022-07-27 | insert email dg..@columbia.edu |
| 2022-07-27 | insert email em..@columbia.edu |
| 2021-01-21 | insert email dp..@columbia.edu |
| 2018-11-28 | delete email am..@columbia.edu |
| 2018-11-28 | delete email dm..@columbia.edu |