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Average Ratings 0 Ratings
Description
InboxStack is an innovative platform focused on email deliverability intelligence, centered around its unique causal AI engine named Brain, which uncovers the underlying reasons why emails fail to reach the inbox rather than merely indicating their failure. Unlike many other deliverability tools that only monitor issues, such as a decrease in inbox placement or blocklist entries, InboxStack takes a deeper approach by analyzing signals from various sources, including your ESP, DNS authentication records (SPF, DKIM, DMARC), Google Postmaster Tools, Microsoft SNDS, and over 50 blocklists, all through a sophisticated causal knowledge graph derived from two decades of expertise in email deliverability. This comprehensive analysis helps pinpoint the actual root causes of delivery issues, whether they stem from DKIM misalignment, a decline in IP reputation, or specific content triggers.
The onboarding process is streamlined, requiring only the forwarding of your email headers for an immediate DNS/auth audit, and no migration is necessary. For teams seeking continuous monitoring, there is the option to link their ESP and Postmaster accounts, with the added possibility of seed testing to obtain authentic data on inbox versus spam placement. Designed specifically for digital agencies and email service providers, InboxStack equips users with the tools they need to enhance their email deliverability with confidence and precision. Additionally, the platform's user-friendly interface and extensive support resources ensure that teams can easily navigate and utilize the full range of features available.
Description
Email Deliverability Tool by SMTPCart provides an immediate, end-to-end diagnostic assessment of your domain health, authentication setup, and message content. Built to streamline email optimization, this friction-free utility requires no account creation or sign-up. Senders simply dispatch a single test email to a uniquely generated address to receive an instant performance score out of 100%, accompanied by an audit-ready downloadable PDF report detailing critical setup metrics.
The tool performs an exhaustive technical evaluation to ensure your messages consistently reach the inbox rather than the spam folder. It verifies strict protocol alignment across SPF, DKIM, and DMARC parameters while validating essential server-level security requirements, including reverse DNS, TLS encryption, and RFC-compliant one-click unsubscribe headers. Additionally, it cross-references your sending infrastructure against SpamAssassin content rules, 20 active IP blocklists, and the Spamhaus domain blocklist, giving technical teams and marketers the actionable intelligence needed to safeguard sender reputation.
API Access
Has API
No
API Access
Has API
No
Screenshots View All
No images available
Integrations
Gmail
Yes
Microsoft Outlook
Yes
WooCommerce
No
WordPress
No
Yahoo! Mail
Yes
Integrations
Gmail
No
Microsoft Outlook
No
WooCommerce
Yes
WordPress
Yes
Yahoo! Mail
No
Pricing Details
$49/month
Free Trial
Yes
Free Version
No
Pricing Details
$5
10 test credits, One-Time payment, credit never expire,
Free Trial
No
Free Version
Yes
Deployment
Web-Based
Yes
On-Premises
No
iPhone App
No
iPad App
No
Android App
No
Windows
No
Mac
No
Linux
No
Chromebook
No
Deployment
Web-Based
Yes
On-Premises
No
iPhone App
No
iPad App
No
Android App
No
Windows
No
Mac
No
Linux
No
Chromebook
No
Customer Support
Business Hours
Yes
Live Rep (24/7)
No
Online Support
Yes
Customer Support
Business Hours
No
Live Rep (24/7)
No
Online Support
Yes
Types of Training
Training Docs
Yes
Webinars
No
Live Training (Online)
No
In Person
Yes
Types of Training
Training Docs
No
Webinars
No
Live Training (Online)
Yes
In Person
No
Vendor Details
Company Name
InboxStack
Founded
2025
Country
India
Website
inboxstack.com
Vendor Details
Company Name
BEINCART LLC
Founded
2020
Country
United States
Website
smtpcart.com/email-deliverability/
Product Features
Email Deliverability
DMARC Analytics
No
Deliverability Alerts
No
Deliverability Reporting
No
Email Address Verification
No
Email Content Testing
No
Email Previewing
No
IP Blacklist Monitoring
No
Inbox Placement Testing
No
Reputation Reporting
No
Product Features
Transactional Email
A/B Testing
No
Contact Database
No
Dynamic Content
No
Email Monitoring
Yes
Mailing List Management
No
Reporting/Analytics
No
Spam Check
Yes
Template Management
No