E-Warmup

E-Warmup

5.0 out of 5 stars
E-Warmup InboxStack

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E-Warmup:

About

E-Warmup is an AI-powered email deliverability and automated inbox warmup platform built to keep campaigns out of spam and the promotions tab. Backed by 10+ years of manual deliverability consulting for 4,000+ clients, E-Warmup pairs your mailboxes with a peer-to-peer network of 40,000+ real inboxes to secure 98% primary inbox placement. Key capabilities: • AI Read Emulation: Simulates authentic human reading speeds, scroll pauses, and multi-language replies instead of detectable bot opens. • Real-Copy Warmup: Train spam filters using your actual sales sequences and niche topics. • Multi-ESP Support: Route warmup through Gmail, Outlook, Zoho, SendGrid, Amazon SES, or custom SMTP. • 24/7 Reputation Shield: Continuous DNS health tracking (SPF, DKIM, DMARC), bounce monitoring, and automated blacklist removal across 100+ lists. • Seed List Warmup: Protect non-SMTP platforms like Klaviyo and Mailchimp. Start warm up & fix your deliverability free in 25 sec.
InboxStack:

About

InboxStack is an email deliverability intelligence platform built around Brain, a proprietary causal AI engine that identifies why emails miss the inbox — not just that they did. Most deliverability tools stop at monitoring: they show a drop in inbox placement or a blocklist hit and leave you to investigate. InboxStack goes further, correlating signals from your ESP, DNS authentication records (SPF, DKIM, DMARC), Google Postmaster Tools, Microsoft SNDS, and 50+ blocklists through a causal knowledge graph built on a 22-year deliverability knowledge base — tracing the actual root cause, whether it's a DKIM misalignment, IP reputation dip, or content trigger. Onboarding starts with forwarding your email headers for an instant DNS/auth audit, no migration required. Teams that want ongoing monitoring can connect their ESP and Postmaster accounts, with optional seed testing for real inbox-vs-spam placement data. Built especially for digital agencies and ESP's.
E-Warmup:

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported
InboxStack:

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported
E-Warmup:

Audience

SMEs, SaaS, Sales Team, Marketing Team, Outbound teams
InboxStack:

Audience

Any comapny who sends emails or manages email campaigns
E-Warmup:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
InboxStack:

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Supported
E-Warmup:

API

Offers API Not Supported
InboxStack:

API

Offers API Not Supported
E-Warmup:

Screenshots and Videos

InboxStack:

Screenshots and Videos

No images available
E-Warmup:

Pricing

$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 Version Supported
Free Trial Supported
InboxStack:

Pricing

$49/month
Free Version Not Supported
Free Trial Supported
E-Warmup:

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 4.9 / 5
design 4.3 / 5
support 5.0 / 5
InboxStack:

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
E-Warmup:

Pros & Cons from Real Users

Pros

  • What I like most about E-Warmup is how it brings multiple email warmup and deliverability features together in one platform. The automated email warmup feature helps maintain consistent email activity without requiring much manual effort. Managing multiple email accounts is also convenient and the dashboard makes it easier to keep track of different accounts and their warmup progress. I find the deliverability monitoring and spam checking features particularly useful because they help me understand email performance and identify potential issues. The platform also offers account health monitoring, AI-powered features and useful insights that make everyday email management more organized. Another advantage is that it supports different email providers, making it easier to handle multiple inboxes from a single place. Overall, the combination of automation, monitoring and account management tools make the platform practical for regular email outreach activities.
  • E-Warmup offers a convenient way to improve email deliverability and maintain a healthy sender reputation. Its automated warm-up feature gradually builds sending activity, helping emails reach the inbox rather than the spam folder. The platform supports domain and IP warm-up and works with commonly used email providers. It can be helpful for cold email outreach, SaaS business and marketing campaigns. I also find its dashboard easy to navigate while the setup process is straightforward, even for users without technical experience.
  • The tool is really easy to use and I like how simple and clean everything looks. It saves me time and makes managing my online presence easier. Even as a beginner, I didn't find it difficult to get started and I didn't need any technical experience to figure things out.
  • E-Warmup has helped us improve email deliverability and identify issues affecting our mailbox performance. Its detailed testing provides valuable insights into provider-specific delivery problems and blacklist status, making it easier to find and resolve issues. Since using E-Warmup, our email delivery has improved significantly and we feel more confident about reaching customers without constantly worrying about our emails landing in spam.
  • Reaching our targeted audience was difficult because of recurring email deliverability issues. E-Warmup helps us better understand these challenges and take steps to improve our email performance. We experienced noticeable improvements in delivery rate, making our outreach process more efficient.

Cons

  • Some features could use clearer explanations, especially for new users. More detailed reports and customization options would also make the platform better.
  • It has been meeting our expectations so far. Everything has been running smoothly and there hasn't been anything worth complaining about.
  • Some features could be more advanced and occasionally the performance feels a bit slow. Improving the speed and adding more flexibility would make the overall experience even better.
  • We've had a smooth experience with E-Warmup so far. The platform works well and the support team has been especially helpful and responsive whenever we need assistance.
  • Our experience with E-Warmup has been smooth and hassle - free. The platform has worked well for us and the support team has been especially helpful and responsive whenever needed.
E-Warmup:

Training

Documentation Not Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
InboxStack:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Supported
E-Warmup:

Company Information

E-Warmup
Founded: 2023
United States
e-warmup.com
InboxStack:

Company Information

InboxStack
Founded: 2025
India
inboxstack.com
E-Warmup:

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E-Warmup:

Categories

Email Warmup Supported
InboxStack:

Categories

E-Warmup:

Email Deliverability Features

Deliverability Alerts Supported
Deliverability Reporting Supported
DMARC Analytics Supported
Email Address Verification Not Supported
Email Content Testing Supported
Email Previewing Supported
Inbox Placement Testing Supported
IP Blacklist Monitoring Supported
Reputation Reporting Supported
E-Warmup:

Integrations

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

Integrations

Gmail Supported
Microsoft Outlook Supported
Yahoo! Mail Supported
Amazon SES Not Supported
Google Workspace Not Supported
Mailgun Not Supported
Microsoft 365 Not Supported
SMTP Provider Not Supported
SendGrid Not Supported
SendPost Not Supported
Zoho Mail Not Supported
E-Warmup:
Claim E-Warmup and update features and information
Claim E-Warmup and update features and information
InboxStack:
Claim InboxStack and update features and information
Claim InboxStack and update features and information