Is there any work that already labeled email addresses or messages in the Enron dataset as spams?

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Andreas M Brandmaier

Metsis et al. describe derivatives of the Enron dataset that were created for anti-spam evaluation:

http://classes.soe.ucsc.edu/cmps242/Fall09/lect/12/CEAS2006_corrected-naiveBayesSpam.pdf

Hoang Thanh Lam

Thank you Andreas, I got part of the labels from TREC 2005 Spam collection. It contains 98000 labelled emails out of 0.5 M emails.