New answers tagged notifications
I've had such a problem. I created a filter in Gmail like this: from:(email@example.com) subject:(sent you) and checked Delete to trash as an action. So normal mail from YouTube will pass and the spam will go to trash.
I could imagine that you can keep a list of all recipients and respondents. Any recipient not in the respondents list could be marked to receive a notification if they are still not on that list X amount of days before the event takes place. This assumes that the respondents are a subset of the recipients. Here's a rough idea of how the pseudo... Pseudo: ...
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