Yuav Ua Li Cas Sau Email Authentication nrog Microsoft Office (SPF, DKIM, DMARC)

Microsoft Office 365 Email Authentication - SPF, DKIM, DMARC

Peb tab tom pom ntau thiab ntau qhov teeb meem xa tawm nrog cov neeg siv khoom hnub no thiab ntau lub tuam txhab tsis muaj qhov yooj yim email authentication teeb tsa nrog lawv lub chaw ua haujlwm email thiab email kev pabcuam kev lag luam. Qhov tsis ntev los no yog lub tuam txhab e-lag luam uas peb tau ua haujlwm nrog uas xa lawv cov lus txhawb nqa tawm ntawm Microsoft Exchange Server.

Qhov no yog qhov tseem ceeb vim tias tus neeg siv khoom txhawb nqa email tau siv qhov kev sib pauv xa ntawv no thiab tom qab ntawd dhau los ntawm lawv qhov kev txhawb nqa daim pib. Yog li, nws yog ib qho tseem ceeb uas peb tau teeb tsa Email Authentication kom cov emails tsis tau txais kev tso tseg tsis pom zoo.

Thaum koj thawj zaug teeb tsa Microsoft Office ntawm koj lub npe, Microsoft muaj kev sib koom ua ke zoo nrog feem ntau Domain Registration servers uas lawv tau teeb tsa txhua qhov tsim nyog xa ntawv pauv (MX) cov ntaub ntawv nrog rau Daim Ntawv Pov Thawj Txoj Cai Xa Ntawv (SPF) sau rau koj li Office email. Cov ntaub ntawv SPF nrog Microsoft xa koj lub chaw ua haujlwm email yog cov ntawv sau (TXT) hauv koj tus sau npe sau npe uas zoo li no:

v=spf1 include:spf.protection.outlook.com -all

SPF yog cov cuab yeej qub, txawm li cas los xij, thiab email authentication tau nce siab nrog Domain-based Message Authentication, Qhia thiab Ua Raws (DMARC) thev naus laus zis qhov twg nws tsis tshua muaj peev xwm ua rau koj lub npe spoofed los ntawm email spammer. DMARC muab cov txheej txheem los teeb tsa qhov koj xav kom cov chaw muab kev pabcuam hauv internet (ISP) kom siv tau koj cov ntaub ntawv xa thiab muab tus yuam sij rau pej xeem (RSA) txhawm rau txheeb xyuas koj lub npe nrog tus muab kev pabcuam, hauv qhov no, Microsoft.

Cov kauj ruam los teeb tsa DKIM hauv Office 365

Txawm tias muaj ntau ISPs nyiam Google Ntshoo muab koj nrog 2 TXT cov ntaub ntawv los teeb tsa, Microsoft ua nws txawv me ntsis. Lawv feem ntau muab rau koj nrog 2 CNAME cov ntaub ntawv qhov twg qhov kev lees paub raug ncua mus rau lawv cov servers rau kev tshawb nrhiav thiab kev lees paub. Txoj hauv kev no tau dhau los ua ntau yam hauv kev lag luam… tshwj xeeb tshaj yog nrog cov chaw muab kev pabcuam email thiab DMARC-as-a-services.

  1. Tshaj tawm ob CNAME cov ntaub ntawv:

CNAME: selector1._domainkey 
VALUE: selector1-{your sending domain}._domainkey.{your office subdomain}.onmicrosoft.com
TTL: 3600

CNAME: selector2._domainkey
VALUE: selector2-{your sending domain}._domainkey.{your office subdomain}.onmicrosoft.com
TTL: 3600

Tau kawg, koj yuav tsum hloov kho koj tus xa tuaj thiab koj lub chaw ua haujlwm subdomain raws li qhov piv txwv saum toj no.

  1. tsim Koj DKIM Cov Ntsiab Lus hauv koj Microsoft 365 Tus Tiv Thaiv, Microsoft lub vaj huam sib luag tswj hwm rau lawv cov neeg siv los tswj lawv txoj kev ruaj ntseg, cov cai, thiab kev tso cai. Koj yuav pom qhov no hauv Txoj cai & txoj cai > Txoj cai hem > Anti-spam txoj cai.

dkim yuam sij microsoft 365 tiv thaiv

  1. Thaum koj tau tsim koj cov yuam sij DKIM, ces koj yuav tsum tau qhib Kos npe rau cov ntawv no nrog DKIM kos npe. Ib qho kev ceeb toom ntawm qhov no yog tias nws yuav siv sij hawm ntau teev los yog hnub rau qhov no kom siv tau txij li cov ntaub ntawv sau npe raug cached.
  2. Thaum kho tshiab, koj tuaj yeem ua tau khiav koj qhov kev xeem DKIM kom ntseeg tau tias lawv ua haujlwm zoo.

Yuav Ua Li Cas Txog Email Authentication adn Kev Tshaj Tawm Txog Kev Tshaj Tawm?

Nrog DKIM, koj feem ntau teeb tsa email chaw nyob kom muaj cov ntawv ceeb toom xa tuaj rau koj ntawm kev xa tawm. Lwm qhov zoo ntawm Microsoft cov txheej txheem ntawm no yog tias lawv sau thiab sau tag nrho koj cov ntawv tshaj tawm txog kev xa tawm - yog li tsis tas yuav tsum muaj email chaw nyob saib xyuas!

Microsoft 365 kev ruaj ntseg email spoofing qhia