| List name | Post address | Description |
|---|---|---|
| Mailman3-sandbox | mailman3-sandbox@openrailwaymap.org | Sandbox for playing around with Mailman 3 |
| Openrailwaymap | openrailwaymap@openrailwaymap.org | Discussion list for users and developers of OpenRailwayMap and railway-related stuff of OpenStreetMap |