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

DMARC SIEM Integration
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DMARC SIEM Integration

DMARC SIEM Integration can help you manage your email security systems better for enhanced security.
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DKIM Record Syntax
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DKIM Record Syntax

Your DKIM record syntax plays an important role in determining the validity of your DKIM record. Learn the correct DKIM syntax.
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ARP Spoofing: What Is the Aim of an ARP Spoofing Attack?
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ARP Spoofing: What Is the Aim of an ARP Spoofing Attack?

In an ARP Spoofing attack, a hacker sends out fake ARP (Address Resolution Protocol) messages to trick other devices into believing they're talking to someone else.
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What is SMS Spoofing?
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What is SMS Spoofing?

SMS spoofing involves altering sender information for fraudulent purposes, such as a phone number and contact name.
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How to flush DNS?
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How to flush DNS?

This guide will show you how to flush DNS on Windows, Mac OS X, Linux, and Google Chrome to fix DNS issues and improve your overall security.
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What is Pharming and How to Prevent It?
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What is Pharming and How to Prevent It?

Pharming is an attack in which hackers steal data by redirecting victims to an illegitimate website. Know what are its methods, signs, and preventive measures.
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What is Dumpster Diving in Cybersecurity?
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What is Dumpster Diving in Cybersecurity?

Dumpster diving is the act of looking through unsecured trash to steal sensitive data or access proprietary information.
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What is a DNS AAAA Record?
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What is a DNS AAAA Record?

DNS AAAA records are a type of DNS records that direct the browser to land on the searched page. Read to know its benefits and how to add or update it.
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What is a DNS SOA Record?
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What is a DNS SOA Record?

DNS SOA record contains information related to your domain. SPF also depends on DNS SOA, hence it’s vital for email protection. Know its structure, working procedure, and checking method.
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What Is Spear Phishing?
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What Is Spear Phishing?

Spear phishing is a targeted attack on an individual or organization. This method uses an email to persuade the recipient to reveal confidential information.
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What Is Email Display Name Spoofing & How To Prevent It?
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What Is Email Display Name Spoofing & How To Prevent It?

Email display name spoofing is the practice of sending an email with a forged display name. Learn how to prevent display name spoofing for your business.
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What is Phone Number Spoofing?
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What is Phone Number Spoofing?

How to stop someone from spoofing my phone number using phone number spoofing tactics? Quick tips and an easy action-plan for stopping these types of attacks.
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What is a DNS A Record?
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What is a DNS A Record?

A DNS A record contains the IP address of the host computer (or hostname) that you want to be associated with your domain name.
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DMARC Policy Overrides: Explained
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DMARC Policy Overrides: Explained

DMARC policy override is when the receiving mail server overrides the DMARC record set by the sender. Learn in detail about DMARC policy overrides.
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DKIM Analyzer
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DKIM Analyzer

DKIM analyzer is a tool that analyzes and monitors the DKIM signature of your organizational domain aligned or unaligned. Start free DKIM analysis today!
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How to fix 550 SPF Check Failed? [SOLVED]
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How to fix 550 SPF Check Failed? [SOLVED]

The “550 SPF check failed” message is common error prompt that maybe triggered by an absent or invalid SPF record in the sender’s DNS, or third-party spam filters.
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What Is IP Spoofing?
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What Is IP Spoofing?

What is IP spoofing? Simply put, it's when a user or program attempts to transmit packets with an IP address that they are not authorized to use.
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What is SPF Include?
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What is SPF Include?

Learn what is the include: mechanism in SPF records and how to use SPF Include to add multiple hosts and IP addresses without error.
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What are the Common Indicators of a Phishing Attempt?
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What are the Common Indicators of a Phishing Attempt?

While phishing attacks are a serious threat to a business, a know-how of the common indicators of a phishing attempt helps you spot these attacks before they could strike.
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Dealing with Broken SPF
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Dealing with Broken SPF

How to deal with broken SPF? A broken SPF record can invalidate your authentication system, you need to fix it now!
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