In order to (un)subscribe to a mailing list:
- Login to your Eclipse.org account
- Select the 'mailing lists' tab
- Select either the pencil next to 'Eclipse Mailing Lists' or the 'Manage your mailing lists' button at the bottom of the list of mailing lists.
- Find the list you want to interact with(either by using the search box, or paging through them)
- Select the list(s) using the checkbox on the right hand side
- Click the either the 'Subscribe' or 'Unsubscribe' button at the bottom of the list.
- Click on the list name
- On the list-info page click the 'Subscribe' or 'Unsubscribe' button