Average Ratings 2 Ratings

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Average Ratings 0 Ratings

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Description

E-Warmup is an innovative platform that leverages AI technology to enhance email deliverability and automate the process of inbox warming, ensuring that marketing campaigns avoid the spam folder and promotions tab. With over a decade of experience in manual deliverability consulting for more than 4,000 clients, E-Warmup connects your mailboxes to a vast peer-to-peer network comprising over 40,000 genuine inboxes, achieving an impressive 98% placement rate in primary inboxes. Among its standout features are: • AI Read Emulation: Mimics genuine human reading behaviors, including natural scrolling and replies in multiple languages, thereby avoiding detection by spam filters. • Real-Copy Warmup: Utilizes your actual sales messaging and niche subjects to train spam filters effectively. • Multi-ESP Support: Facilitates warmup across a variety of platforms such as Gmail, Outlook, Zoho, SendGrid, Amazon SES, or any custom SMTP service. • 24/7 Reputation Shield: Monitors DNS health (including SPF, DKIM, and DMARC), keeps track of bounces, and automates the removal from over 100 blacklists. • Seed List Warmup: Offers protection for platforms that do not use SMTP, such as Klaviyo and Mailchimp. You can initiate the warmup process and address your deliverability issues in just 25 seconds, making it a quick and efficient solution for email marketers. This comprehensive approach ensures your messages reach the intended audience effectively.

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.

API Access

Has API No 

API Access

Has API No 

Screenshots View All

Screenshots View All

No images available

Integrations

Gmail Yes 
Microsoft Outlook Yes 
Yahoo! Mail Yes 
Amazon SES Yes 
Google Workspace Yes 
Mailgun Yes 
Microsoft 365 Yes 
SMTP Provider Yes 
SendGrid Yes 
SendPost Yes 
Zoho Mail Yes 

Integrations

Gmail Yes 
Microsoft Outlook Yes 
Yahoo! Mail Yes 
Amazon SES No 
Google Workspace No 
Mailgun No 
Microsoft 365 No 
SMTP Provider No 
SendGrid No 
SendPost No 
Zoho Mail No 

Pricing Details

$49/month
You can get started completely free with no credit card required and no expiration date. When you're ready to scale, we offer flexible plans billed monthly or annually (with 2 months free on yearly billing):

Basic ($49/mo or $41/mo billed yearly): Perfect for small teams getting started. Covers 5 mailboxes, up to 150 warmup emails daily per inbox, 10 DNS & inbox placement tests each month, blacklist tracking, and warmup using your own email copy.

Growth ($99/mo or $83/mo billed yearly): Our most popular tier for growing outbound teams. Covers 20 mailboxes, up to 300 warmup emails daily per inbox, 25 monthly placement tests, advanced email monitoring, AI read emulation, warmup across 30+ languages, and premium support.

Premium ($189/mo or $157/mo billed yearly): Designed for agencies and high-volume senders. Covers 40 mailboxes, up to 500 emails daily per inbox, 50 monthly placement tests, warmup provider selection, and a dedicated support channel.

High Volume (Custom): For enterprise setups needing unlimited mailboxes, unlimited warmup volume, API/webhook integrations, white-label dashboards, and dedicated campaign management.

All plans come with a risk-free 14-day money-back guarantee, allowing you to test our deliverability platform with complete confidence.
Explore our full pricing and compare plans on our website.
Free Trial Yes 
Free Version Yes 

Pricing Details

$49/month
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 No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours Yes 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

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

Types of Training

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

Vendor Details

Company Name

E-Warmup

Founded

2023

Country

United States

Website

e-warmup.com

Vendor Details

Company Name

InboxStack

Founded

2025

Country

India

Website

inboxstack.com

Product Features

Email Deliverability

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

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 

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