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In Thunderbird, how do I indicate that email from a certain sender is NOT spam?

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I keep getting popups saying legitimate emails are suspected spam. I would like to flag the senders as OK

I keep getting popups saying legitimate emails are suspected spam. I would like to flag the senders as OK

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Spam or Scam?

If Spam figure out what is doing it. It is not Thunderbird. It does not use the word Spam

If Scam read this. https://support.mozilla.org/en-US/kb/thunderbirds-scam-detection

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You're right, I misspoke - it is "scam". The popup I get simply says "This message may be a scam.", and has a "preferences" menu with options to either ignore the warning, or disable it as suggested in your link above.

I'm getting these warnings on every email from my church, which I _know_ are not a scam, and from a survey company which I don't believe are a scam.

I would prefer not to globally disable the warnings, so I'd like to know if it's possible to somehow whitelist the email senders for which I'm getting false positives.

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If you read the linked article it states it is not conigurable. It is either on or off.