Why 1,200+ customers love Red Sift

"What I like best about Red Sift OnDMARC is how it turns what could be a complex, technical process into something clear, actionable, and easy to manage. The dashboard gives an instant overview of our domain’s email authentication status, with step-by-step guidance to reach full DMARC compliance. The reporting is intuitive, allowing us to quickly identify sources of unauthenticated email and take corrective action. I also appreciate the excellent customer support, who are proactive, knowledgeable, and always willing to guide us through more challenging configurations."

"I've been using OnDMARC routinely for years now, and it's been wonderful. I love the easy setup, rapid access to relevant data, and clean and simple UI. The proactive alerts are also super helpful, making it easy to identify issues and take rapid action. The features are all excellent, but Radar puts the entire service above and beyond for me."

"OnDMARC makes it very easy to set up and maintain DMARC records. The guided workflows and clear reporting helped us move from monitoring to full enforcement confidently. The user interface is intuitive, and support is very responsive whenever we have questions."

"Red Sift protects the domains of 4 of the 5 magic circle law firms in the UK as well as international law firms. Their track record in the legal sector made them the obvious choice of cybersecurity vendor for William Fry."

"Red Sift OnDMARC offers a clean, intuitive dashboard that makes it easy to monitor and manage email authentication protocols like SPF, DKIM, and DMARC. One of its most helpful features is the step-by-step guidance it provides to help organizations achieve full DMARC enforcement. The visual reporting makes it easy to identify misconfigured senders or threats. Additionally, their support team is responsive and knowledgeable, which greatly simplifies implementation and ongoing management."

"The support team was prompt and well-informed. The interface is user-friendly and easy to navigate. Dynamic Services—particularly the SPF management—proved to be extremely valuable, helping us overcome SPF record length limitations effectively."

"Red Sift is a leader in email security. It was a requirement for us to work with a service provider that had a proven track record of effectively protecting major organizations from unauthorized parties attempting to use their domain for spoofing."

“OnDMARC actually helped us discover and reject spoofing attacks we weren’t aware of.”

“From pre-sale through to implementation, the Red Sift Customer Success team always have timely, comprehensive answers.”

"The diligence and support of the whole OnDMARC team has been second to none. Not only have they got back to us really quickly, they’ve usually seen it before and have an answer. I’ve never felt like I had to do this on my own."

"The OnDMARC tool has been easy to use for maintaining DMARC across a large number of domains, with the option to delve into granular detail. It also supports effective management of DNS and brand reputation."

"Red Sift OnDMARC stands out for its ease of deployment and user-friendly interface, making DMARC policy management accessible even to non-experts. The built-in tools, provide deep visibility into email authentication flows and configuration issues.

The customer support is also excellent — responsive and knowledgeable, guiding users effectively throughout the process."

"Using Red Sift we've been able to go from a DMARC none policy to DMARC reject in a matter of months. Not only does the product make visualising DMARC reports a breeze, but using Dynamic Services it makes DNS changes to DMARC, SPF, DKIM and MTA-STS incredibly simple. Dynamic services was also easy to integrate with our DNS provider."

"Platform can support adding multiple domains (thousands if required) to manage DMARC compliance. They helpfully provide an email address you're able to mail to check for compliance on a domain, this is really useful when struggling to understand if there is issues with the configuration. Their support is really good and feels very attentive and quick."

"We’re no longer chasing issues. With Red Sift, we’re running a security program that’s designed to stay ahead."

"I've been using Red Sift OnDMARC for about three months to manage our email authentication setup, including SPF, DKIM, DMARC, and MTA-STS. The experience has been excellent.

What really stood out to me was the ease of use. The platform provides comprehensive, clear insights into our domain's email security posture, making it easy to understand and act on issues. One of the biggest advantages is how it manages SPF records dynamically, eliminating the need to manually maintain the DNS entries—a huge time-saver."

"At the end of the day, both OnDMARC and Brand Trust are about reassurance. Knowing there’s constant protection in place and that they don’t rely on manual intervention is what gives us peace of mind."

"We were at 65% email deliverability when we started. Today we’re at almost 100% with OnDMARC."

"The combination of compelling commercials, fantastic pre- and post-procurement support, and a genuine desire to help us succeed made Red Sift the clear choice for us. They’ve helped us strengthen our infrastructure, so Save the Children can focus on what matters most: protecting children and delivering life-changing support."

"Red Sift makes email security easy. I’ve done implementations for DMARC before and this was by far the easiest. They take away all the headaches and make it painless."

"The product is easy to use and to implement. The dynamic services are a big advantage if you do not have a direct access to your DNS. The customer support is great, personalized and responsive. Compare to other product we found it to be a better value for money."

"After evaluating several DMARC platforms, we were really impressed with how user-friendly the interface was. The dynamic records made the setup process very straightforward, and having an expert available to guide us through the implementation reassured us that we were on the right track."

"Easy to navigate. Easy to understand. Dynamic feature is really useful. Support is superb. Onboarding has been seamless, and our interaction with customer success has been superb. We've been able to deploy BIMI, and are super happy with the product and would highly recommend it."

"OnDMARC should be part of any good MSP’s cybersecurity stack."

"Once you recognize how important DFKIM, SPF, and DMARC are, Red Sift provides a leading user experience for that. The ability to easily access reports, know what’s happening, and monitor changes make OnDMARC an excellent product for non-IT-professionals."

"It provides rock solid protection for our email security/brand and is easy to use and the support engineers, access to support, customer success managers and the whole setup in fact, in my experience in dealing with vendores for over 20 years - these are by far the best I ever worked with."

"They have the best support I've ever seen of any company I've worked with. Great console, lots of good information relating to our email delivery."

"The support team is not only knowledgeable, but is eager to assist you, and makes sure they are giving you the right info. This is critical when dealing with email for us. The software is easy to setup and use, provides helpful diagnostic tools, guidance, and readily links clear documentation. BIMI application and deployment was on rails."