Configurazione di DMARC

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  • DMARC is a line of code that goes into your DNS TXT record
  • Before DMARC: setup SPF and DKIM
  • Create the email account that will receive the xml rejected reports
dmarc-reports@example.com
  • Create the TXT Record
Name: _dmarc.example.com

Value: v=DMARC1; p=quarantine; rua=mailto:dmarc-reports@example.com; ruf=mailto:dmarc-reports@example.com; fo=1;
  • Verificarlo;
host -t txt _dmarc.example.com
  • In seguito aggiornare il record a:
v=DMARC1; p=reject; rua=mailto:dmarc-reports@example.com; ruf=mailto:dmarc-reports@example.com; fo=1;

Riferimenti

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