Should I use the disavow tool even if there's not a manual action on my site?

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Published on November 20, 2013 7:03:30 PM ● Video Link: https://www.youtube.com/watch?v=eFJZXpnsRsc

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Should webmasters use the disavow tool, even if it is believed that no penalty has been applied? For example, if we believe 'Negative SEO' has been attempted, or spammy sites we have contacted have not removed links.
James, Bristol, UK

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