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Email is the go to technology for business communication so it is critical that anyone who receives email from your business trusts it is legitimate, and that it represents your brand well.  With email attacks being a primary weapon in the arsenal of cybercriminals, it is important you use any tools at your disposal to protect your brand from impersonation.  This is where the robust email authentication protocol DMARC (Domain-based Message Authentication, Reporting, and Conformance) comes in, safeguarding email reputation and maximising your email deliverability.

By enabling DMARC, your business can ensure that only authorized senders use your domain to send emails.  This reduces the likelihood of fraudulent emails being delivered to customers, suppliers, or employees. Over time, implementing DMARC builds customer confidence, showing that you take their security seriously.

For businesses handling payment card data, compliance with the Payment Card Industry Data Security Standard (PCI DSS) is non-negotiable.  These standards are designed to safeguard sensitive customer payment information and reduce the risks of data breaches.  DMARC is now mandated as a requirement under PCI DSS v4.

Email spoofing is often a precursor to payment which can be catastrophic for businesses that process card payments.  By deploying DMARC, you can actively block fraudulent emails that could lead to data theft or compromise.  This proactive approach aligns with the spirit of PCI DSS, which emphasises risk mitigation and robust security controls.

Email effectiveness depends on trust. If your domain becomes associated with spam, phishing, or spoofing, email providers may begin flagging your legitimate messages as suspicious or outright reject them. Microsoft, Yahoo, Google and other large mail providers are starting to quarantine and block emails from senders with no DMARC record in place.  By ensuring that only authenticated emails are sent from your domain, DMARC helps maintain a healthy sender reputation. This ensures that your marketing campaigns, invoices, and customer communications reliably reach their intended recipients.

The good news is that adopting DMARC is very achievable for businesses of all sizes.  The process involves defining policies that specify how unauthenticated emails should be handled and how your emails should be monitored, quarantined, or rejected outright.  Regular reporting further helps businesses understand and address vulnerabilities in their email delivery.

DMARC is not just about preventing phishing scams; it’s about safeguarding your brand, ensuring compliance with vital standards, and preserving the trust.

Now is the time to act. In standing firm against cyber threats, you protect not only your enterprise but also the trust that defines Cumbria’s thriving business community.

You can check easily check how protected your domain is by using our domain scanner.  Our team can help you understand the results and any actions you may want to take.

If you would like to speak to us more about our services and how we can support you in ensuring your business IT is secure, call on 01228 535800

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