Mailwarm vs Warmy: Email Warmup Tool Comparison

Mailwarm vs Warmy: Email Warmup Tool Comparison

Mailwarm and Warmy are both email warmup tools. Choosing between them depends on your team size, budget, and specific email domain warming and deliverability requirements. Here is what each vendor publishes about pricing, features, and integrations.

The Quick Answer

By each vendor's own wording, Mailwarm lists b2b & b2c warm up and spam score monitoring, while Warmy lists email warm-up and email seed list. A capability both offer can appear under different names, so read both feature lists below.

Mailwarm publishes an entry price of $79/mo; Warmy uses custom pricing, so the two cannot be compared on list price.

If your priority is building sender reputation and improving inbox placement, both tools target it. The right choice depends on your budget, team size, and the specific capabilities you need most.

Understanding the Core Difference

Mailwarm is Email warmup and deliverability platform that generates engagement across a network of aged real inboxes and includes a deliverability expert on every plan. Each interaction produces several positive signals, such as marking as non-spam, opening, marking as important and replying.

Warmy is Automated email deliverability tool that warms up domains and IPs with AI-driven automation and a network of business or consumer mailboxes. Adds Google Postmaster integration, seed lists, deliverability insights and email verification in the same platform.

The two platforms take different approaches to solving the same core challenge.

Pricing Comparison

$79/moMailwarm entry plan

Starter

Contact SalesWarmy entry plan

B2B sender

Mailwarm Pricing (as of September 2026)

Source: Mailwarm Pricing

Warmy Pricing (as of September 2026)

Source: Warmy Pricing

Pricing Analysis

One or both platforms use custom or contact-based pricing for some tiers. Reach out to their sales teams for exact quotes based on your usage needs.

Mailwarm offers 4 pricing tiers compared to Warmy's 3, giving you more granularity as you scale.

Features Breakdown

Mailwarm lists

• B2B & B2C warm up
• Spam score monitoring
• Provider-Level warmup
• Warmup your email content
• Authentication fix tools
• No IMAP access required
• and 3 more listed below

Warmy lists

• Email Warm-Up
• Email Seed List
• Deliverability Insights
• Google Postmaster Integration
• Email Verification
• Warmy API
• and 2 more listed below

Mailwarm Key Features

• B2B & B2C warm up
• Spam score monitoring
• Provider-Level warmup
• Warmup your email content
• Authentication fix tools
• No IMAP access required
• Progressive volume ramp-up to avoid spam filters
• SPF, DKIM, and DMARC validation
• Blacklist detection across major databases

Warmy Key Features

• Email Warm-Up
• Email Seed List
• Deliverability Insights
• Google Postmaster Integration
• Email Verification
• Warmy API
• Deliverability monitor
• Dedicated deliverability expert

The two lists below are a diff of each vendor's own feature list by exact wording, so a capability both tools offer can appear on either side under a different name.

Listed only by Mailwarm

• B2B & B2C warm up
• Spam score monitoring
• Provider-Level warmup
• Warmup your email content
• Authentication fix tools
• No IMAP access required
• Progressive volume ramp-up to avoid spam filters
• SPF, DKIM, and DMARC validation
• Blacklist detection across major databases

Listed only by Warmy

• Email Warm-Up
• Email Seed List
• Deliverability Insights
• Google Postmaster Integration
• Email Verification
• Warmy API
• Deliverability monitor
• Dedicated deliverability expert

Integration Ecosystem

Mailwarm Integrations

Mailwarm connects with: Gmail, Google Workspace, Outlook, Microsoft 365, Yahoo, Custom SMTP.

Warmy Integrations

Warmy connects with: Google Workspace, Microsoft 365, Gmail, Yahoo, Outlook, Google Postmaster.

Shared Integrations

Both tools integrate with: Gmail, Google Workspace, Outlook, Microsoft 365, Yahoo.

Integrations listed only by Mailwarm: Custom SMTP.

Integrations listed only by Warmy: Google Postmaster.

Use Case Recommendations

Best Fit for Mailwarm

• Teams that need a wide feature set (9 capabilities listed)
• Enterprise buyers who prefer custom pricing and dedicated support
• Teams launching new email domains for outreach
• Organizations recovering from deliverability issues

Best Fit for Warmy

• Enterprise buyers who prefer custom pricing and dedicated support
• Teams launching new email domains for outreach
• Organizations recovering from deliverability issues
• Agencies managing warmup across multiple client domains

Feature Comparison Summary

Getting Started Checklist

1. Define your email domain warming and deliverability requirements and monthly budget
2. Estimate your expected warmup email volume to find the right tier
3. List the integrations your team currently relies on
4. Sign up for free trials or demos of both platforms
5. Run a small test with each tool before making a commitment
6. Evaluate the onboarding experience and support quality

Final Thoughts

Mailwarm and Warmy both serve the email domain warming and deliverability market. Mailwarm publishes an entry price of $79/mo, while Warmy uses custom pricing for its plans, so compare on features and on the quote you receive. Your decision should weigh pricing against the specific features that matter most for your workflow.

Start with a trial of each to see which platform fits your team's daily process. The best tool is the one your team actually uses consistently.

Pricing and features verified as of September 2026. Visit Mailwarm and Warmy for current information.