how to delete mail from spotlight
You can hide it a bit by turning mail off in spotlight settings.
To hide it:
- Settings->General->Spotlight Search:
- uncheck Mail
EDIT: According to old Cult of Mac article on this this was fixed in 3.1. So give clearing your trash a try as others have suggested. Remember some email accounts have different names for trash. Look everywhere.
I just replicated this behavior. Clearing trash fixed spotlight search.
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