Are SPF, DKIM, and DMARC records Necessary

SPF, DMARC and, DKIM are the email security protocols used by companies or businesses to prevent various phishing attacks. Phishing and email spam are the biggest opportunities for hackers to enter the network. If a user clicks on a malicious email attachment, it can compromise an entire enterprise with ransomware, crypto-jacking scripts, data leakages, or privilege escalation exploits.

Source - From the Internet

Having those three records in place is considered the best practice. As the saying goes, “An ounce of prevention is worth a pound of cure.” For email, this has never been more true. Having all three records in place shows that your email domains are truly who they say they are. It also shows that you as an administrator, and your domain administrators as well, are all serious about ensuring you’re following best practices and doing your part to prevent spam, phishing, and other email security issues.

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