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Top 6 Free SimpleDMARC Alternatives, Compared (2026)

Explore 6 alternatives to SimpleDMARC — vetted by our editors with real user reviews, pricing, and feature comparisons.

The 6 best free SimpleDMARC alternatives at a glance

Quick answer

Our pick of free website security software alternatives to SimpleDMARC: ControlD, OnDMARC by Red Sift and Avanan. ControlD leads the list. Compare all 6 on rating and pricing below.

When SimpleDMARC stops earning its keep, you have options. These 6 website security software free alternatives are the ones we'd recommend first, ranked by SpotScore (real-user satisfaction and market presence combined), star ratings, and how each one prices. Editors check every entry. Skim the table, then read on for the detail.

ProductSpotScoreRatingPricingBest for
ControlDCustomize your online experience with ease and precision.—Not yet ratedFreefrom $1.66 per monthteams of all sizes
OnDMARC by Red SiftSecure your email with ease and peace of mind.—Not yet ratedFreeFree Trial · Quotation Based · Subscriptionteams of all sizes
AvananProtect your cloud communications with advanced security technology.—★★★★★ 4.8FreeFree Trial · Quotation Based · Subscriptionteams of all sizes
Amazon InspectorProtect your digital assets with proactive vulnerability management.—Not yet ratedFreeFree Trial · Quotation Based · Subscriptionteams of all sizes
NetFUNNELSafeguard your website and customer experience with ease.—★★★★★ 4.67(15)Freefrom $550.00 per monthteams of all sizes
PowerDMARCSecuring your business one email at a time.—★★★★★ 5Freefrom $8.00 per monthteams of all sizes
ControlD

ControlD

Customize your online experience with ease and precision.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

What is ControlD?

ControlD is a configurable DNS service that lets users set per-device rules to block unwanted content such as ads and inappropriate websites, or selectively unblock specific sites and services. It adds proxy capabilities beyond standard DNS blockers like Pi-Hole, AdGuard, and NextDNS for more ...

Read more about ControlD
Free TrialTry Free →
OnDMARC by Red Sift

OnDMARC by Red Sift

Secure your email with ease and peace of mind.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

What is OnDMARC by Red Sift?

Elevate your email security with OnDMARC by Red Sift, a powerful cloud-based solution designed to combat spoofing attacks and thwart email impersonation. OnDMARC streamlines the process of configuring SPF, DKIM, and DMARC authentication protocols, empowering organizations to fortify their email ...

Read more about OnDMARC by Red Sift
Free Trial·

OnDMARC by Red Sift offers custom pricing plan

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Avanan

Avanan

Protect your cloud communications with advanced security technology.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

4.8

Add to compare

What is Avanan?

Avanan secures cloud email and collaboration platforms against phishing, malware, and ransomware using multi-layer AI-based detection. It scans cloud apps including Slack, Microsoft Teams, OneDrive, and Box, and provides security administrators with forensic reports covering network activities, ...

Read more about Avanan
Free Trial·

Avanan offers custom pricing plan

Amazon Inspector

Amazon Inspector

Protect your digital assets with proactive vulnerability management.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

What is Amazon Inspector?

Introducing Amazon Inspector – your trusted partner in automated software vulnerability management. With a focus on enhancing security measures, Amazon Inspector is a cutting-edge service designed to proactively scan AWS workloads for potential software vulnerabilities and prevent unintended ...

Read more about Amazon Inspector
Free Trial·

Amazon Inspector offers custom pricing plan

NetFUNNEL

NetFUNNEL

Safeguard your website and customer experience with ease.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

4.7

15 verified reviews

Add to compare

What is NetFUNNEL?

NetFUNNEL is a traffic management solution that protects websites from crashes during high-volume traffic events by queuing visitors and managing server load. Administrators can configure resource utilization settings and monitor access patterns to prevent server overload during peak periods.

Read more about NetFUNNEL
Free TrialTry Free →·

NetFUNNEL offers custom pricing plan

PowerDMARC

PowerDMARC

Securing your business one email at a time.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

5.0

Add to compare

What is PowerDMARC?

Introducing PowerDMARC, the ultimate email domain protection tool designed to safeguard businesses from potential threats such as business email compromise (BEC), spoofing, and sophisticated phishing attacks. This innovative platform provides real-time alerts to effectively combat spoofing ...

Read more about PowerDMARC
Free TrialTry Free →·

PowerDMARC offers custom pricing plan

What sets each pick apart

ControlDBest for teams of all sizes
OnDMARC by Red SiftBest for teams of all sizes
AvananBest for teams of all sizes
Amazon InspectorBest for teams of all sizes
NetFUNNELBest for teams of all sizes

Effectively controls large, sudden traffic surges in real time to keep services stable and prevent server crashes.

PowerDMARCBest for teams of all sizes

Choosing a SimpleDMARC alternative

Here's the data-driven picture across all 6 website security software free alternatives: 6 offer a free tier; paid plans run $1.66–$550, with ControlD the cheapest entry point; and NetFUNNEL is the highest rated at 4.67★ across 15 reviews.

Our methodology.

Frequently Asked Questions (FAQs)

Stuck on something? We're here to help with all the questions and answers in one place.

The top-rated alternatives to SimpleDMARC are PowerDMARC (5.0★), Avanan (4.8★), NetFUNNEL (4.7★). Compare all 6 alternatives side-by-side above.

When evaluating alternatives to SimpleDMARC, prioritize: Monitoring, Alerts, Reporting and Analysis, Threat Intelligence, transparent pricing, free trial availability, and integrations with your existing tools. Use the filters above to compare by feature, budget, and team size.

Migration difficulty depends on how deeply SimpleDMARC is integrated into your workflows. Most alternatives offer data export/import tools and dedicated onboarding support. We recommend shortlisting 2–3 options, running a free trial, and checking each vendor's migration guides before committing.

How to pick the best SimpleDMARC alternative

  • On a budget / just exploring: start with a free tier — ControlD, OnDMARC by Red Sift and Avanan let you evaluate without paying upfront.
  • If real-user ratings matter most: NetFUNNEL has the strongest star rating (4.67★) among the options with verified reviews.

How to migrate from SimpleDMARC

To switch off SimpleDMARC without disruption, handle your data first: export it and test that the new tool imports it cleanly. Verify your key workflows still function, pilot the move on a free plan or trial, and keep SimpleDMARC active until the cutover is complete.

Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].