PowerDMARC’s Email Authentication Blog – Read the latest news and updates

DKIM key rotation is the process of updating your DKIM keys. You should rotate your keys periodically—the exact period isn't important, but the process itself is. It's a security measure that helps prevent attackers from impersonating your domain.

This article takes a look at what DMARC Quarantine Policy is, why p=quarantine tag is used, how it works, and the recommended percentage of quarantining messages in a DMARC record.

Have you been getting the "554 5.7.5 permanent error evaluating DMARC policy" while sending emails from your domain? The "5.7.5 permanent error evaluating DMARC policy" is a common error that stops the SMTP ports from accepting emails from your domain.

Meta: While DMARC protects you from a wide range of cyberattacks, it is no silver bullet. Here is a full list of which attacks does DMARC not protect you from! 

SPF policies do not automatically get inherited by subdomains. If you use SPF to authenticate your emails and you are sending emails using subdomains, you would need to set up SPF for subdomains

Domain owners can configure multiple domains to make use of a single SPF record hosted on one domain using SPF redirect. While it may seem to be beneficial in some ways, we don’t recommend it.

Cyber resilience builds on the baseline of good cyber security practices by addressing businesses' ability to withstand, recover and counter cyber threats. Make DMARC a part of your company’s cyber resilience framework.

6 Types of Social Engineering attacks to learn about and protect yourself from in 2022. How to stop social engineering attacks?

Why does DKIM fail? Fix DKIM failure for your emails with this easy step-by-step tutorial.

Prevent dangling DNS records to stop domain/subdomain takeover attacks today. Free dangling DNS detection tool.