@techreport{gennai-appsawg-cem-01,
    number =    {draft-gennai-appsawg-cem-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-gennai-appsawg-cem/01/},
    author =    {Francesco Gennai and Luca Frosini and Alba Shahin and Claudio Petrucci},
    title =     {{Certified Electronic Mail}},
    pagetotal = 10,
    year =      2012,
    month =     mar,
    day =       2,
    abstract =  {This document specifies the requirements for a Certified Electronic Mail (CEM) system which provides people with proof of communication when exchanging emails, giving strong evidences to the users involved in the interchange.},
}