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Average Ratings 36 Ratings

Total
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features
design
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

ZeroBounce is an email verification platform that scores and delivers emails. It helps businesses improve their inbox placement. The service can detect email typos, abusive and nonexistent email accounts, spam traps, and other potentially dangerous email addresses. ZeroBounce also offers an email scoring service and a suite delivery tools to enhance email inbox placement. ZeroBounce has a military-grade security infrastructure that ensures customer data is kept safe. ZeroBounce has validated over 23 billion emails to date and serves more than 400,000 businesses in 190+ nations. It also adds 200 new clients each day. ZeroBounce validates email lists and reports that they have a 99%+ accuracy rate. They also maintain a good reputation for sending quality. ZeroBounce was ranked no. 851 on Inc. 5000, the list of fastest-growing private businesses in the United States. ZeroBounce rose to number. 40 on the list.

API Access

Has API No 

API Access

Has API Yes 

Screenshots View All

No images available

Screenshots View All

Integrations

AWeber No 
Activepieces No 
BigCommerce No 
Cargo No 
Cloudflare Workers No 
Constant Contact No 
Facebook No 
Instapage No 
Leo No 
Mailchimp No 
Microsoft Edge No 
Mozilla Firefox No 
PrestaShop No 
Salesforce No 
Shopify No 
Unbounce No 
WooCommerce No 
WordPress No 
ZagoMail No 
Zoho CRM No 

Integrations

AWeber Yes 
Activepieces Yes 
BigCommerce Yes 
Cargo Yes 
Cloudflare Workers Yes 
Constant Contact Yes 
Facebook Yes 
Instapage Yes 
Leo Yes 
Mailchimp Yes 
Microsoft Edge Yes 
Mozilla Firefox Yes 
PrestaShop Yes 
Salesforce Yes 
Shopify Yes 
Unbounce Yes 
WooCommerce Yes 
WordPress Yes 
ZagoMail Yes 
Zoho CRM Yes 

Pricing Details

$49/month
Free Trial Yes 
Free Version No 

Pricing Details

$18 - 2000 Validation Credits
• $40 for 5000 email validations
• $75 for 10,000 validation credits
• $875 for 250,000 email validations, and up.
• Enterprise accounts also available.
Free Trial Yes 
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 Yes 
iPad App Yes 
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 Yes 
Live Training (Online) Yes 
In Person No 

Vendor Details

Company Name

InboxStack

Founded

2025

Country

India

Website

inboxstack.com

Vendor Details

Company Name

ZeroBounce

Founded

2015

Country

United States

Website

www.zerobounce.net/

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

Anti-Spam

Allow / Block List Yes 
Audit Log No 
Email Archiving No 
Email Recovery No 
Email Routing Yes 
Encryption Yes 
Fraud Detection No 
Quarantine No 
Reporting & Statistics Yes 
Spam Filter No 

Email Deliverability

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

Email Tracking

A/B Testing No 
Audience Segmentation No 
Campaign Management Yes 
Event-Based Notifications No 
Location Tracking No 
Team Management No 

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 

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