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What is Sender Certification?

Validity's Sender Certification presents an elite solution aimed at optimizing email deliverability, ensuring that your communications are seen as reliable and receive priority in inboxes around the world. This service has successfully reclaimed millions of emails for inbox placement and has identified compromised channels for some of the largest global brands, giving you the confidence to send messages without hesitation. The certification includes continuous threat monitoring by a specialized team, complemented by a dedicated compliance unit that focuses on pinpointing and addressing deliverability issues. Users receive prompt alerts about any changes in performance, which allows them to maintain their elite standing in email delivery. Furthermore, daily performance summaries are sent straight to your inbox, offering valuable insights into the health and effectiveness of your email campaigns. Certified senders also gain access to exclusive data insights from leading mailbox providers and filtering organizations, which aids them in grasping the real-world impact of their email strategies. This holistic method not only improves deliverability but also cultivates a richer understanding of key email performance metrics. By leveraging these insights, businesses can refine their email strategies for even greater success.

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

Gmail
Microsoft Outlook
Yahoo! Mail

Integrations Supported

Gmail
Microsoft Outlook
Yahoo! Mail

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided.
Free Trial Offered?
Free Version

Pricing Information

$49/month
Free Trial Offered?
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Validity

Date Founded

2018

Company Location

United States

Company Website

www.validity.com/sender-certification/

Company Facts

Organization Name

InboxStack

Date Founded

2025

Company Location

India

Company Website

inboxstack.com

Categories and Features

Email Deliverability

DMARC Analytics
Deliverability Alerts
Deliverability Reporting
Email Address Verification
Email Content Testing
Email Previewing
IP Blacklist Monitoring
Inbox Placement Testing
Reputation Reporting

Categories and Features

Email Deliverability

DMARC Analytics
Deliverability Alerts
Deliverability Reporting
Email Address Verification
Email Content Testing
Email Previewing
IP Blacklist Monitoring
Inbox Placement Testing
Reputation Reporting

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