Liz: There are two options towards the top-right of the page, underneath the list of bug duplicates:
Mute bug mail - Click this to stop any emails from this bug (you'll remain subscribed so it will show in your list of bugs on Launchpad)
Edit bug mail - Click this to control which emails you get, e.g. you can stop getting comments but continue to be notified of changes to the bug status.
Liz: There are two options towards the top-right of the page, underneath the list of bug duplicates:
Mute bug mail - Click this to stop any emails from this bug (you'll remain subscribed so it will show in your list of bugs on Launchpad)
Edit bug mail - Click this to control which emails you get, e.g. you can stop getting comments but continue to be notified of changes to the bug status.