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About

DmarcSignal (formerly Viewleaf) is a simple and intuitive DMARC monitoring platform that provides clear, actionable insights into your domain’s email authentication and outbound email configuration. It aggregates DMARC reports automatically and presents SPF, DKIM, and DMARC alignment data through highly visual dashboards. Designed for fast setup, users can start receiving insights within minutes by pointing their DMARC records to DmarcSignal’s collector. The platform helps protect brands from spoofing attacks, improve deliverability, and meet requirements from major providers like Google and Yahoo. With unlimited domains and report volume on the free tier (with limited history), DmarcSignal makes enterprise-grade DMARC monitoring accessible and easy to understand.

About

InboxStack is an email deliverability intelligence platform built around Brain, a proprietary causal AI engine that identifies why emails miss the inbox — not just that they did. Most deliverability tools stop at monitoring: they show a drop in inbox placement or a blocklist hit and leave you to investigate. InboxStack goes further, correlating signals from your ESP, DNS authentication records (SPF, DKIM, DMARC), Google Postmaster Tools, Microsoft SNDS, and 50+ blocklists through a causal knowledge graph built on a 22-year deliverability knowledge base — tracing the actual root cause, whether it's a DKIM misalignment, IP reputation dip, or content trigger. Onboarding starts with forwarding your email headers for an instant DNS/auth audit, no migration required. Teams that want ongoing monitoring can connect their ESP and Postmaster accounts, with optional seed testing for real inbox-vs-spam placement data. Built especially for digital agencies and ESP's.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

IT administrators, email deliverability teams, security professionals, and organizations seeking a simple yet powerful DMARC monitoring solution to protect brand reputation and ensure reliable email authentication

Audience

Any comapny who sends emails or manages email campaigns

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

$0
Free Version
Free Trial

Pricing

$49/month
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

DmarcSignal
Founded: 2026
United States
www.dmarcsignal.com

Company Information

InboxStack
Founded: 2025
India
inboxstack.com

Alternatives

GoDMARC

GoDMARC

Neuailes Global Technologies

Alternatives

Categories

Categories

Integrations

Gmail
Microsoft Outlook
Yahoo! Mail

Integrations

Gmail
Microsoft Outlook
Yahoo! Mail
Claim DmarcSignal and update features and information
Claim DmarcSignal and update features and information
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Claim InboxStack and update features and information