@misc{rfc5490,
    series =    {Request for Comments},
    number =    5490,
    howpublished =  {RFC 5490},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC5490},
    url =       {https://www.rfc-editor.org/info/rfc5490},
    author =    {Alexey Melnikov},
    title =     {{The Sieve Mail-Filtering Language -- Extensions for Checking Mailbox Status and Accessing Mailbox Metadata}},
    pagetotal = 8,
    year =      2009,
    month =     mar,
    abstract =  {This memo defines an extension to the Sieve mail filtering language (RFC 5228) for accessing mailbox and server annotations, checking for mailbox existence, and controlling mailbox creation on "fileinto" action. {[}STANDARDS-TRACK{]}},
}