On https://phabricator.wikimedia.org/settings/panel/emailpreferences/ I've configured:

Email Notifications: Send me email notifications
Self Actions: Do not send me an email when I take an action

Audits:

• Ignore: A commit is created.
• Email: A commit has a concerned raised against it.
• Ignore: A commit is accepted.
• Ignore: A commit has an auditor resign.
• Ignore: A commit is closed.
• Ignore: A commit has auditors added.
• Ignore: A commit's subscribers change.
• Ignore: A commit's projects change.
• Email: Someone comments on a commit.
• Ignore: Other commit activity not listed above occurs.

Maniphest Tasks:

• Ignore: A task's status changes.
• Ignore: A task's owner changes.
• Ignore: A task's priority changes.
• Ignore: A task's subscribers change.
• Ignore: A task's associated projects change.
• Ignore: One of the tasks a task is blocked by changes status.
• Ignore: A task is moved between columns on a workboard.
• Email: Someone comments on a task.
• Ignore: Other task activity not listed above occurs.

Pholio Mocks:

• Ignore: A mock's status changes.
• Ignore: Someone comments on a mock.
• Ignore: Mock images or descriptions change.
• Ignore: Other mock activity not listed above occurs.

Yet, when people award tokens to issues I'm subscribed to, the token awards always result in Web notifications on Phabricator. (And it seems we occasionally have seemingly spammy accounts that sometimes award a bunch of tokens all over the place.)

Wikimedia report: https://phabricator.wikimedia.org/T91289