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What is ZeroBounce?

ZeroBounce serves as an email verification platform that assesses and delivers emails to help businesses enhance their inbox delivery rates. The platform identifies issues such as typos, fraudulent accounts, spam traps, and other risky email addresses. Additionally, ZeroBounce provides an email scoring feature along with various delivery tools designed to optimize inbox placement for users. Security is a top priority, as the service boasts a military-grade infrastructure to protect customer information. Having validated over 23 billion emails so far, ZeroBounce caters to more than 400,000 companies across over 190 countries, adding around 200 new clients daily. The service is renowned for its email list validation, claiming an impressive accuracy rate of over 99%. With a solid reputation for delivering high-quality emails, ZeroBounce was ranked #851 on the Inc. 5000 list, highlighting its status among the fastest-growing private firms in the United States, and it achieved an impressive rise to the 40th position in subsequent rankings. As the demand for reliable email services continues to grow, ZeroBounce remains a leading choice for businesses aiming to optimize their email marketing efforts.

What is InboxStack?

InboxStack represents a cutting-edge solution in the realm of email deliverability intelligence, primarily powered by its distinctive causal AI engine known as Brain, which delves into the fundamental factors causing emails to not arrive in the inbox, rather than simply reporting failures. In contrast to conventional deliverability tools that primarily track surface-level issues, such as declining inbox placement rates or entries on blocklists, InboxStack adopts a more profound methodology by evaluating signals from diverse sources, including your email service provider, DNS authentication records like SPF, DKIM, and DMARC, Google Postmaster Tools, Microsoft SNDS, and an extensive array of over 50 blocklists, all analyzed through a detailed causal knowledge graph developed from two decades of specialization in email deliverability. This in-depth evaluation effectively identifies the true root causes of delivery challenges, whether they arise from DKIM misalignment, diminished IP reputation, or particular content triggers that may raise red flags. The onboarding experience is made efficient, requiring only the forwarding of your email headers to conduct an instant DNS/auth audit, eliminating the need for migration. For teams that wish to maintain ongoing oversight, there is an option to connect their ESP and Postmaster accounts, with the added feature of seed testing to gather reliable data on the differences between inbox placement and being marked as spam. Tailored for digital agencies and email service providers, InboxStack empowers users with the tools necessary to improve their email deliverability with both accuracy and assurance. Moreover, the platform's intuitive interface and rich support resources guarantee that teams can easily explore and take advantage of the extensive features it has to offer, fostering greater engagement and better email performance. This commitment to user experience is a testament to InboxStack's dedication to enhancing email communication strategies for its clients.

Media

Media

No images available

Integrations Supported

Activepieces
Adobe Marketo Engage
Autopilot
BigCommerce
Cargo
Facebook
Groundhogg
Jotform
Klenty
Latenode
Mailbird
PrestaShop
Salesforce
Shopify
Slack
Stackby
WooCommerce
Workers by Delos
Zoho CRM

Integrations Supported

Yahoo! Mail

API Availability

Has API

API Availability

Pricing Information

$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 Version
Free Trial Offered?

Pricing Information

$49/month
Free Trial Offered?

Supported Platforms

SaaS
iPhone
iPad

Supported Platforms

SaaS

Customer Service / Support

24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training

Training Options

Documentation Hub
On-Site Training

Company Facts

Organization Name

ZeroBounce

Date Founded

2015

Company Location

United States

Company Website

www.zerobounce.net/

Company Facts

Organization Name

InboxStack

Date Founded

2025

Company Location

India

Company Website

inboxstack.com

Categories and Features

Anti-Spam

Allow / Block List
Email Routing
Encryption
Reporting & Statistics

Email Deliverability

DMARC Analytics
Email Address Verification
IP Blacklist Monitoring
Inbox Placement Testing

Email Tracking

Campaign Management

Email Verification

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

Lead Intelligence

Not specified

Categories and Features

Email Deliverability

Not specified

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