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Average Ratings 2 Ratings

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support

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

You can reach the inbox and increase your deliverability by verifying and analyzing your email lists. Inbox Insights is a smart analysis tool that detects spam, validates HTML and troubleshoots sender authentication. It will help you improve your campaigns even further! MailerCheck can be used with popular email marketing tools, or integrated into your workflow using Zapier or custom API calls. You can view all of your usage in usage reports. This will allow you to optimize your list and improve the way you collect email addresses. You can either pay as you go or save money with monthly subscriptions. Get 100 credits free and 24/7 customer service when you sign up for the program.

API Access

Has API No 

API Access

Has API Yes 

Screenshots View All

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Screenshots View All

Integrations

ActiveCampaign No 
ElectroNeek No 
Gmail Yes 
Kit No 
KonnectzIT No 
Mailchimp No 
MailerLite No 
Microsoft Outlook Yes 
Quickwork No 
Stackreaction No 
Yahoo! Mail Yes 
Zapier No 

Integrations

ActiveCampaign Yes 
ElectroNeek Yes 
Gmail No 
Kit Yes 
KonnectzIT Yes 
Mailchimp Yes 
MailerLite Yes 
Microsoft Outlook No 
Quickwork Yes 
Stackreaction Yes 
Yahoo! Mail No 
Zapier Yes 

Pricing Details

$49/month
Free Trial Yes 
Free Version No 

Pricing Details

$10.00
Pay as you go pricing:
Credits Price per credit

1K to 5K: $ 0.01 per credit
5K to 10K: $ 0.009 per credit
10K to 25K $ 0.008 per credit
25K to 50K $ 0.007 per credit
50K to 100K $ 0.006 per credit

Monthly subscription (save 20%)

Credits / month Monthly cost
2,500 $ 20
5,000 $ 36
10,000 $ 64
15,000 $ 96
20,000 $ 128
Free Trial Yes 
Free Version 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 

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) Yes 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

InboxStack

Founded

2025

Country

India

Website

inboxstack.com

Vendor Details

Company Name

MailerCheck

Founded

2005

Country

New York

Website

www.mailercheck.com

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

Email Deliverability

DMARC Analytics No 
Deliverability Alerts Yes 
Deliverability Reporting Yes 
Email Address Verification Yes 
Email Content Testing Yes 
Email Previewing Yes 
IP Blacklist Monitoring No 
Inbox Placement Testing Yes 
Reputation Reporting Yes 

Email Verification

Bulk Email Verification Yes 
Catch-all Server Detection Yes 
Disposable Email Detection Yes 
Domain Check Yes 
Mail Server Validation Yes 
Single Email Verification Yes 
Spam Trap Detection Yes 
Syntax Check Yes 

Alternatives

Alternatives