epriestley bfea830d09 Add email preferences to receive fewer less-important notifications ... Summary: A few similar requests have come in across several tools and use cases that I think this does a reasonable job of resolving. We currently send one email for each update an object receives, but these aren't always appreciated: - Asana does post-commit review via Differential, so the "committed" mails are useless. - Quora wants to make project category edits to bugs without spamming people attached to them. - Some users in general are very sensitive to email volumes, and this gives us a good way to reduce the volumes without incurring the complexity of delayed-send-batching. The technical mechanism is basically: - Mail may optionally have "mail tags", which indicate content in the mail (e.g., "maniphest-priority, maniphest-cc, maniphest-comment" for a mail which contains a priority change, a CC change, and a comment). - If a mail has tags, remove any recipients who have opted out of all the tags. - Some tags can't be opted out of via the UI, so this ensures that important email is still delivered (e.g., cc + assign + comment is always delivered because you can't opt out of "assign" or "comment"). Test Plan: - Disabled all mail tags in the web UI. - Used test console to send myself mail with an opt-outable tag, it was immediately dropped. - Used test console to send myself mail with an opt-outable tag and a custom tag, it was delivered. - Made Differential updates affecting CCs with and without comments, got appropriate delivery. - Made Maniphest updates affecting project, priority and CCs with and without comments, got appropriate delivery. - Verified mail headers in all cases. Reviewers: btrahan Reviewed By: btrahan CC: aran, epriestley, moskov Maniphest Tasks: T616, T855 Differential Revision: https://secure.phabricator.com/D1635		2012-02-17 22:57:07 -08:00
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base	Add email preferences to receive fewer less-important notifications	2012-02-17 22:57:07 -08:00
notificationtype	Add email preferences to receive fewer less-important notifications	2012-02-17 22:57:07 -08:00