With the National Cyber Security Centre’s (NCSC) Mail Check tool having retired its free DMARC reporting service in March 2025, education and research institutions across the UK are now facing a critical visibility gap when it comes to email-based threats. To help address this, Red Sift is now working with Jisc—the UK’s not-for-profit provider…
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Update: Includes a revision that Microsoft will now reject messages rather than moving to junk from large senders that don’t meet the sending requirements.. Everything else remains the same. When rejected, the following message will be sent instead “550; 5.7.515 Access denied, sending domain [SenderDomain] doesn’t meet the required authentication level.” This blog: Microsoft…
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G2’s Spring 2025 Report is here, and we’ve got some exciting news to share! Red Sift OnDMARC has been named the #1-rated DMARC solution in both EMEA and Europe, and that’s just the start. We also took the #1 spot in the Mid-Market Results Index and Mid-Market Usability Index, and were featured in 18…
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We’re thrilled to announce that Red Sift Certificates Lite has become the official recommended certificate expiration monitoring service of Let’s Encrypt, the world’s most widely used Certificate Authority. Red Sift Certificates Lite is a free service that allows users to track up to 250 certificates with email notifications 7 days ahead of expiry. It…
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Executive Summary: The NCSC’s upcoming changes to Mail Check services, including the discontinuation of DMARC aggregate reporting, necessitate that organisations find alternative solutions to maintain robust email security. This article: Introduction The National Cyber Security Centre (NCSC) recently proposed updates to its Mail Check coming into effect on 24 March 2025. As the service evolves…
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The season of giving has brought us another reason to celebrate! Red Sift OnDMARC continues its winning streak in G2’s Winter 2025 report, earning Leader status in the DMARC category for another consecutive season. This recognition reflects our strong market presence and the unwavering satisfaction of our customers. Cheers to wrapping up 2024 on…
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