@article{visualspoofingincontentbasedspam,
  title = {Visual Spoofing in content based spam detection},
  author = {Mark Sokolov and Kehinde Olufowobi and Nic Herndon},
  year = {2020},
  eprint = {2004.05265},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2004.05265v2},
}