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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.

About

SuperMailOS is managed business email on your own domain for small teams. You bring your domain; SuperMailOS runs the mail server and handles deliverability — SPF, DKIM, DMARC, IP reputation, and warmup — so your email lands in the inbox, not the spam folder. Setup takes minutes: verify your domain with one-click DNS on Cloudflare, DigitalOcean, and other providers (or guided copy-paste on any registrar), invite your team, and start sending. Every person gets a real mailbox; aliases like hello@ and support@ are unlimited and free. Webmail is as simple as Gmail — threads, instant search, keyboard shortcuts, labels, dark mode — plus IMAP and SMTP for any mail app, and a live deliverability dashboard showing your mail landing. Flat pricing per mailbox: Pro $3/mailbox/month annually (10 GB, 3 domains), Business $5 (30 GB, unlimited domains), custom at 50+. 14-day free trial, no credit card.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

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

Audience

Small and medium businesses, startups, agencies, and freelancers who want professional email on their own domain without running a mail server or managing DNS and deliverability themselves.

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

No images available

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
Free Trial

Pricing

$3/month per mailbox
Free Version
Free Trial

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 4.5 / 5
support 5.0 / 5

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:

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Pros & Cons from Real Users

Pros

  • The platform advertises one-click account syncing, support for 30+ warmup languages, and the option to choose b2b or b2c warmup providers. Custom email templates, selectable warmup providers, and detailed analytics are cited as helpful for pinpointing deliverability problems. It includes blacklist monitoring, placement testing, sender authentication checks, and IP/domain health dashboards with alerts. one of the best warmup tools they've tried, free help with SPF, DKIM and DMARC setup, and report improved open rates on cold outreach.
  • E-Warmup is easy to use and gives a clear view of mailbox health and warmup activity. I particularly like the monitoring features because they make it easier to understand how email accounts are performing and identify potential deliverability issues. The interface is straightforward, and the overall setup process is simple.

Cons

  • No cons at all. overall experience is excellent...
  • Some advanced options could be explained more clearly for new users, especially when setting up accounts and understanding the different deliverability settings.

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

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

Company Information

SuperMailOS
Founded: 2026
supermailos.com

Alternatives

LiftInbox

LiftInbox

Unique Technologies

Alternatives

Mutant Mail

Mutant Mail

Fresent

Categories

Categories

Email Deliverability Features

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

Integrations

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

Integrations

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