For DMARC to work most efficiently, both sender and receive must enable it and have SPF and/or DKIM enabled.

Source: https://www.scmagazine.com/perspective/email-security/while-not-a-silver-bullet-dmarc-can-help-mitigate-phishing-attacks

However, if GenericContract.com deployed an effective DMARC policy, their clients’ email server would perform a DMARC check.

Source: https://www.esecurityplanet.com/endpoint/how-dmarc-protects-against-ransomware/

However, if GenericContract.com deployed an effective DMARC policy, their clients’ email server would perform a DMARC check.

Source: https://www.esecurityplanet.com/endpoint/how-dmarc-protects-against-ransomware/

Setting up a DMARC record requires first establishing those dependent standards and then publishing the DMARC record.

Source: https://www.esecurityplanet.com/networks/how-to-set-up-and-implement-dmarc-email-security/

Setting up a DMARC record requires first establishing those dependent standards and then publishing the DMARC record.

Source: https://www.esecurityplanet.com/networks/how-to-set-up-and-implement-dmarc-email-security/