@misc{rfc6133,
    series =    {Request for Comments},
    number =    6133,
    howpublished =  {RFC 6133},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC6133},
    url =       {https://www.rfc-editor.org/info/rfc6133},
    author =    {Barry Leiba and Robins George and Alexey Melnikov},
    title =     {{Sieve Email Filtering: Use of Presence Information with Auto-Responder Functionality}},
    pagetotal = 9,
    year =      2011,
    month =     jul,
    abstract =  {This document describes how the Sieve email filtering language, along with some extensions, can be used to create automatic replies to incoming electronic mail messages based on the address book and presence information of the recipient. This document is not an Internet Standards Track specification; it is published for informational purposes.},
}