Mail::ListDetector::Detector::Onelist(3pm) on Linux

The text 8738fd2dad0e, as Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it.

ONElist message detector

Mail::ListDetector::Detector::Onelist(3pm) on Linux now