Unpack the latest DMARC email authentication requirements set by Gmail and Yahoo for high-volume email senders, exceeding 5,000 daily emails. Discover steps for compliance and best practices for email security.
By Cian Fitzpatrick | 7th November, 2023
DMARC is in the news once again.
Google recently declared a significant change, setting new requirements to be enforced from February 2024. The new requirements are aimed at entities dispatching over 5,000 emails per day to Gmail accounts.
These two announcements signal an industry-wide shift towards stricter email authentication and management practices.
This article will chiefly examine Gmail’s stipulations, as Yahoo!’s changes mirror this new industry benchmark.
Previously, email authentication was advised as a best practice to protect sender domains and prevent misuse within the email ecosystem.
With Gmail’s update, these recommendations have now transitioned into mandatory requirements. With 1.2 billion users situated across the globe, Gmail is the most popular, and the biggest, email provider in the world.
And with this new announcement, there is no doubt that the largest email provider in the world is taking a more stringent approach to email security.
A critical change is the mandatory publication of a Domain-based Message Authentication, Reporting, and Conformance (DMARC) record for those meeting Gmail’s specified email volume.
It’s important to note that while the DMARC record must be published, it does not necessarily need to be set to the enforcement level (p=reject or p=quarantine) initially.
This indicates Gmail’s understanding of the complexities involved in implementing DMARC at a large scale, acknowledging the risk of inadvertently blocking legitimate senders.
The implementation of DMARC, despite its complexities, remains a best practice for combating domain spoofing and other abuses. It’s a key strategy in maintaining a secure domain and a trustworthy email environment.
For effective compliance with these new standards, high-volume senders should focus on several key areas:
These new requirements redefine what was once an aspirational goal into a necessary standard for high-volume email senders. Google and Yahoo!’s initiatives are driving the industry towards heightened security measures. Although these changes might introduce some initial challenges, they pave the way towards a more secure and effective email communication framework in the long run.
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