Category: Email

Email

DNS is the foundation for DMARC: Understanding the overlap

Rebecca Warren

When the threat of SubdoMailing was newly discovered, we wrote a comprehensive guide and worked to get our impacted customers remediated within 72 hours of the discovery being published by Guardio Labs. We are proud of what we accomplished, but through the process, we also discovered that many people don’t fully understand the overlap…

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Email

The best tools to protect yourself from SubdoMailing

Francesca Rünger-Field

In late February 2024, ‘SubdoMailing’ became a trending search term overnight. Research by Guardio Labs uncovered a massive-scale phishing campaign that had been going on since at least 2022. At the time of reporting, the campaign had sent 5 million emails a day from more than 8,000 compromised domains and 13,000 subdomains with several…

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Email

Navigating the “SubdoMailing” attack: How Red Sift proactively identified and remediated a…

Rebecca Warren

In the world of cybersecurity, a new threat has emerged. Known as “SubdoMailing,” this new attack cunningly bypasses some of the safeguards that DMARC sets up to protect email integrity.  In this blog we will focus on how the strategic investments we have made at Red Sift allowed us to discover and protect against…

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Email

Where are we now? One month of Google and Yahoo’s new requirements…

Rebecca Warren

As of March 1, 2024, we are one month into Google and Yahoo’s new requirements for bulk senders. Before these requirements went live, we used Red Sift’s BIMI Radar to understand global readiness, and the picture wasn’t pretty.  At the end of January 2024, one-third of global enterprises were bound to fail the new…

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DMARC

Red Sift OnDMARC: The best Agari alternative for DMARC

Francesca Rünger-Field

Last updated: October 2024 Looking for an alternative to Agari DMARC Protection that helps you safely and efficiently stop unauthorized use of your email-sending domains? You’re in the right place.  Here is your definitive comparison guide for Agari and Red Sift OnDMARC – one of the most popular Agari alternatives on the market.  Red…

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DMARC

Red Sift OnDMARC: The best Valimail alternative for DMARC

Francesca Rünger-Field

Looking for an alternative to Valimail that helps you safely and efficiently stop unauthorized use of your email-sending domains? You’re in the right place.  Here is your definitive comparison guide for Valimail and Red Sift OnDMARC – one of the most popular Valimail alternatives on the market.  Red Sift OnDMARC overview Red Sift OnDMARC…

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