I have a iPhone 4S running iOS 6. Spotlight seems to find deleted e-mails on iPhone, how can I delete e-mails permanently from Spotlight results?
Could this potentially be a bug in iOS 6? I am thinking it sounds like a bug.
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From what I have read there is no current way to permanently delete the cache from the iPhone, but the best thing you can do is go to Settings » General » Spotlight Search and from here deactivate Mail so that the e-mails don't show up in Spotlight search.
I strongly hope that Apple adds a option to clear the cache on their devices.