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Phishing / spam detection with local LLMs? (lemmy.ca)
submitted 9 hours ago by to c/selfhosted@lemmy.world
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I've tried giving screenshots of phishing emails to a local Qwen instance and so far it always correctly detected it as scam, even points out the exact elements that it based its judgement on. Sending screenshots to it ad-hoc isn't too scalable for family and friends. I'd like to be able to either forward emails for screening, or perhaps have it screen everything from a mailbox.

Has anyone done anything like this? Is there anything self-hostable that does this?

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[–] 5 points 4 hours ago

You could (and probably should) use a system-one style inference system for spam classification. Much cheaper and the structured output means it's impossible to go rogue and curl some malware or whatever. It can absolutely misclassify but its output is programmatically structured and just ranks a pre-selected set of output tokens.

In your case that's

Spam

Not_spam

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