According to a report from Barracuda, cybercriminals are on a lookalike domain rampage, leading to Authority Figure Impersonation or ransomware attacks.
GDPR is the ruling party on data protection rules, and limits company access to personal data. Read about DNS Compliance practices for compliant domains.
By setting DMARC, you signal to the mailing engine that it can trust any communication from you. The DMARC email authentication standard indicates to receiving mail servers how to evaluate emails that claim to be from your domain.