The HaikuPorts mailing lists serve for discussion of the ports, and notifications of Subversion or Trac changes. There is a developer mailing list, a commits mailing list, and a user mailing list. The user mailing list can be used for requesting ports and asking questions about ports (but please create a ticket if you encounter a bug).
You can subscribe to the mailing lists by using the subscription forms on this page. Similarly, you can unsubscribe by using the form.
The developers and users mailing lists are being archived by GMANE.