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Enhance Your Email Security with DMARC: What Every Business Needs to Know

Email security is paramount for businesses of all sizes as it is an essential part of small businesses operations. With the increasing sophistication of email based cyber attacks such as phishing attacks (pretending to be somebody else) and email spoofing (sending emails from other people’s addresses), it’s essential to ensure your organization’s email communication is secure and trusted. One critical tool in achieving this is DMARC (Domain-based Message Authentication, Reporting, and Conformance). This article will explain what DMARC is, its importance, how it works, and the impending deadline set by major email service providers like Google and Yahoo for its implementation.

What is DMARC?

DMARC is an email-validation system designed to protect your company’s email domain from being used for cybercrimes such as email spoofing, and phishing scams. It builds on two existing mechanisms, SPF (Sender Policy Framework) and DKIM (DomainKeys Identified Mail), to authenticate the sender’s identity and ensure the email’s integrity. By implementing DMARC, businesses can significantly reduce the risk of their email domains being exploited for malicious purposes and also it increase its reputation and prevent them from being detected as spam.

Why is DMARC Important?

Here are a few reasons why it’s a must-have for your business:

  • Enhances Email Integrity and Trust: By verifying that the emails sent from your domain are authentic, DMARC fosters trust in your email communications, critical for maintaining your business’s reputation.
  • Prevents Email Fraud: DMARC helps in preventing bad actors from using your email domain to conduct phishing attacks or spread malware, thus protecting your customers and partners.
  • Improves Email Deliverability: Emails validated by DMARC are less likely to be marked as spam, ensuring your important communications reach their intended recipients.
  • Google and Yahoo will start requiring it: Starting June 2024, Google and Yahoo will take DMARC into account to validate the authenticity of emails. Domains that do not implement it will have their emails being detected as spam.

How Does DMARC Work?

DMARC works by allowing domain owners to publish policies in their DNS records that define their email authentication practices and how receiving email servers should handle emails that don’t pass the authentication checks. When an email is received, the email server checks the DMARC policy of the sender’s domain to determine the authenticity of the email. If the email fails the DMARC check, the receiving server can either reject the email, mark it as spam, or report it to the sender based on the specified policy.

The Urgency: Google and Yahoo’s Deadline

Recently, major email service providers like Google and Yahoo have announced deadlines for implementing DMARC policies to combat email fraud and enhance security by June 2024. This move underscores the urgency for businesses to adopt DMARC to ensure their emails continue to be delivered effectively. Failure to comply with these requirements may lead to your emails being rejected or marked as spam, significantly impacting your business communications.

Why Your Business Should Act Now

With the deadline approaching, it’s crucial for small and mid-sized business owners to understand and implement DMARC policies promptly. Not only will this safeguard your email communication, but it will also preserve your company’s reputation and ensure compliance with industry standards.

How We Can Help

Understanding and implementing DMARC can be complex, but you don’t have to navigate it alone. Phidev specializes in helping businesses secure their email communications with DMARC. We can assist you in setting up the necessary policies, ensuring your emails are authenticated, and optimizing your email deliverability. While the importance of DMARC implementation is clear, we believe in empowering our clients through education and support, rather than pushing services. Let us help you enhance your email security and maintain the trust of your customers and partners.


In conclusion, DMARC is an essential tool for any business looking to secure its email communications in the digital era. With the looming deadline from Google and Yahoo, it’s more important than ever to ensure your business is prepared. Our team is ready to assist you in implementing DMARC, protecting your email domain, and ensuring your messages reach their destination. Contact us today to learn more about how we can help you navigate the complexities of email authentication and deliverability.

Ares Saldaña
Ares Saldaña
Since 2005, I have been helping clients find and develop new systems, products, or solutions that address their business challenges and problems. As the founder of Phidev, a digital marketing agency, and a partner at Audisatt, a data-driven SaaS audit company, I combine technology, data, and design to create and deliver effective and innovative online campaigns and platforms. My passion lies in generating and developing ideas that leverage my expertise in marketing strategy, digital marketing, content development, and product/software development. I also enjoy leading and managing teams that share my vision and values of delivering high-quality and customer-centric results. I am always eager to learn new skills and technologies that can enhance my performance and expand my knowledge.