| List name | Post address | Description |
|---|---|---|
| Wimse | wimse@ietf.org | WIMSE Workload Identity in Multi-Service Environment |
| Wish | wish@ietf.org | WebRTC Ingest Signaling over HTTPS |
| Witarea | witarea@ietf.org | Web and Internet Transport (WIT) Area |
| Wpack | wpack@ietf.org | Web Packaging |
| XCON | xcon@ietf.org | Centralized Conferencing |
| xml2rfc | xml2rfc@ietf.org | XML2RFC discussion list |
| xmpp | xmpp@ietf.org | XMPP Working Group |
| yam | yam@ietf.org | Yet Another Mail working group discussion list |
| yang-doctors | yang-doctors@ietf.org | Email list of the yang-doctors directorate |
| Yang-multicast | yang-multicast@ietf.org | YANG Multicast |