PowerDMARC’s Email Authentication Blog – Read the latest news and updates
Email Salting Attacks: How Hidden Text Bypasses Security
BlogEmail salting attacks use hidden text to bypass spam filters and evade detection. Learn how they work and how to protect your inbox.
SPF flattening: What is it and why do you need it?
Blog, Email SecuritySPF flattening is a technique used to optimize and simplify Sender Policy Framework (SPF) records by reducing the number of DNS lookups.
DNS Amplification Attacks: Examples, Detection & Mitigation
BlogDiscover DNS amplification attacks, examples, detection methods, and mitigation strategies to protect your network from DDoS threats.
DMARC FO Tag Explained: DMARC Failure Reporting Options
BlogLearn how the DMARC FO tag enhances email security by helping you receive failure reports. Understand its settings and how to use it for effective email authentication.
What is an Invalid Domain Name and How to Fix it
BlogAn invalid domain name can disrupt your website or email. Learn the common reasons and practical solutions to get your domain back on track.
Fix “550 5.7.367 Sender Not Authorized for Relay” Error Message
BlogWhy the "sender not authorized for relay" error occurs and how to fix email relay issues. Understand email relay and how to configure it properly.
Types of DNS Attacks: How They Work & How to Stay Protected
BlogDNS attacks can lead to data breaches, phishing, and service disruptions. Learn about common types of DNS attacks and how to protect your domain from cyber threats.
Why is DMARC Important? [2025 Updated]
BlogLearn why DMARC is important for blocking phishing, securing your domain, and ensuring email deliverability in 2025. Stay compliant and protected.
DMARC vs DKIM: Key Differences & How They Work Together
BlogDMARC Vs DKIM: key differences between DMARC and DKIM, how they work together, and why combining both is essential for email security and deliverability.
What is DKIM and How Does DKIM Work?
BlogDKIM is used to authenticate emails and prevent email content alterations during transfer by creating and publishing a DNS DKIM record.
