Understanding Gmail and Yahoo DMARC Requirements
Starting February, 2024, long established email authentication best practices will become a requirement.
January 2, 2024
November 11, 2025
News & Knowledge
Google Groups Security Vulnerability
Recent discussions in the email security ecosystem have highlighted a security loophole concerning Google's handling of emails sent to a Google Group.
- December 15, 2023
- July 28, 2025
DMARC Prominent in Interagency Phishing Guidance
CISA, NSA, FBI, and MS-ISAC have released guidance to outline phishing techniques criminals commonly use and to provide recommendations for organizations of all sizes.
- November 30, 2023
- July 28, 2025
Source Guide: Salesforce
This guide describes the process for configuring Salesforce to send DMARC-compliant messages.
- October 25, 2023
- April 24, 2025
DMARC: Foundational Ransomware Defense
DMARC allows people to protect their domains from unauthorized use by fighting ransomware’s attempted delivery by email.
- October 25, 2023
- April 25, 2024
What is “External Destination Verification”?
dmarcian processes data for an enormous number of domains and automatically adds the External Domain Verification record as needed. This is how people can use dmarcian to process DMARC data by directly inserting a dmarcian reporting address into a DMARC record.
- September 22, 2023
- April 25, 2024
Single Sign-On (SSO) Support for Enterprise
With our SSO, you can easily manage SSO access and user permissions to all of your accounts in dmarcian centrally while adhering to your organization’s security and access policies.
- September 19, 2023
- April 23, 2026
Monitor Your Domains with Alert Central
Based on domain events that act as triggers for sending alerts, Alert Central allows you to monitor your domains without having to login to your dmarcian account.
- September 12, 2023
- February 5, 2026
How Email Forwarding Affects DMARC
Email forwarding can sometimes throw a wrench in DMARC authentication results, and we often get questions about how to manage forwarded emails, especially with mailing lists.
- August 18, 2023
- October 11, 2024
Increasing DMARC Aggregate Reports in Cisco ESA
Increasing the DMARC report daily limit will ensure that you have the proper visibility and are helping other organizations with their DMARC projects.
- July 27, 2023
- July 27, 2023