@misc{813186, author = {Miles Tracy and Wayne Jansen and Karen Scarfone and Jason Butterfield}, title = {Guidelines on Electronic Mail Security}, year = {2007}, month = {2007-02-20 00:02:00}, publisher = {Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=50953}, language = {en}, }