Dmn-bsd Mssg thntctn, Rprtng nd Cnfrmnc (DMRC) s n ml thntctn prtcl. t s dsgnd t gv ml dmn wnrs th blty t prtct thr dmn frm nthrzd s, cmmnly knwn s ml spfng. Th prps nd prmry tcm f mplmntng DMRC s t prtct dmn frm bng sd n bsnss ml cmprms ttcks, phshng ml, ml scms nd thr cybr thrt ctvts.
nc th DMRC DNS ntry s pblshd, ny rcvng ml srvr cn thntct th ncmng ml bsd n th nstrctns pblshd by th dmn wnr wthn th DNS ntry. f th ml psss th thntctn, t wll b dlvrd nd cn b trstd. f th ml fls th chck, dpndng n th nstrctns hld wthn th DMRC rcrd th ml cld b dlvrd, qrntnd r rjctd.
DMRC xtnds tw xstng ml thntctn mchnsms, Sndr Plcy Frmwrk (SPF) nd DmnKys dntfd Ml (DKM). t llws th dmnstrtv wnr f dmn t pblsh plcy n thr DNS rcrds t spcfy hw t chck th Frm: fld prsntd t nd srs; hw th rcvr shld dl wth flrs – nd prvds rprtng mchnsm fr ctns prfrmd ndr ths plcs.
DMRC s dfnd n th ntrnt ngnrng Tsk Frc's pblshd dcmnt RFC 7489, dtd Mrch 2015, s "nfrmtnl".