@misc{rfc5235,
    series =    {Request for Comments},
    number =    5235,
    howpublished =  {RFC 5235},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC5235},
    url =       {https://www.rfc-editor.org/info/rfc5235},
    author =    {Cyrus Daboo},
    title =     {{Sieve Email Filtering: Spamtest and Virustest Extensions}},
    pagetotal = 13,
    year =      2008,
    month =     jan,
    abstract =  {The Sieve email filtering language "spamtest", "spamtestplus", and "virustest" extensions permit users to use simple, portable commands for spam and virus tests on email messages. Each extension provides a new test using matches against numeric "scores". It is the responsibility of the underlying Sieve implementation to do the actual checks that result in proper input to the tests. {[}STANDARDS-TRACK{]}},
}