Mailivery vs Warmbox: Email Warmup Tool Comparison
Compare Mailivery and Warmbox side by side. See pricing, features, and integrations to choose the right email warmup tool for your needs.
Mailivery and Warmbox are both email warmup tools for improving sender reputation and deliverability. Warmbox has the lower entry price at $19/mo with 50 emails/day for one inbox, while Mailivery starts at $29/mo with unlimited mailboxes and 200 shared warm-up emails/day. Choose based on budget, mailbox count, and required features.
Key takeaways
- Mailivery's Starter plan costs $29/mo and includes unlimited connected mailboxes with 200 warm-up emails per day, shared.
- Warmbox's Solo plan costs $19/mo and covers 1 inbox warm-up and 1 team member with 50 emails per day.
- Warmbox offers 4 pricing tiers, Solo, Start-up, Growth, and Enterprise, compared to Mailivery's 3 tiers, Starter, Professional, and Business.
- Mailivery integrates with Gmail, GSuite, Microsoft 365, SMTP, and SendGrid, while Warmbox integrates with Gmail, Google Workspace, Outlook, Microsoft 365, Yahoo Mail, Amazon SES, SMTP, and Zoho Mail.
- Mailivery uses a peer to peer network of active mailboxes for real conversations, while Warmbox uses AI-powered interactions with customizable warmup recipes and strategies.
Reviewed and updated September 2, 2026
Mailivery vs Warmbox: Email Warmup Tool Comparison
If you are comparing email domain warming and deliverability tools, Mailivery and Warmbox will likely both appear on your radar. They share some surface-level similarities, but the details reveal important differences in pricing, capability, and target audience.
The Quick Answer
By each vendor's own wording, Mailivery lists email warm up and inbox placement test, while Warmbox lists automated email warmup with ai-powered interactions and customizable warmup recipes and strategies. A capability both offer can appear under different names, so read both feature lists below.
Warmbox offers a lower entry point at $19/mo compared to Mailivery at $29/mo.
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
Mailivery is Email warm-up and deliverability tool that improves sender reputation by holding real conversations in your inbox through a peer to peer network of active mailboxes. Plans are priced on total daily warm-up volume and allow unlimited connected mailboxes, with inbox placement tests, blacklist monitoring and email verification included.
Warmbox is AI-powered email warmup tool that automates inbox warming with customizable recipes, spam score monitoring, and detailed analytics dashboards to improve cold email deliverability.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Starter
Solo
Mailivery Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Starter | $29/mo | UNLIMITED mailboxes | 200 warm-up emails / day (shared) |
| Professional | $79/mo | UNLIMITED mailboxes | 800 warm-up emails / day (shared) |
| Business | $199/mo | UNLIMITED mailboxes | 2,500 warm-up emails / day (shared) |
Source: Mailivery Pricing
Warmbox Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Solo | $19/mo | 1 inbox warm-up; 1 team member | 50 emails/day |
| Start-up | $79/mo | 3 inbox warm-up; 3 team members | 250 emails/day |
| Growth | $159/mo | 6 inbox warm-up | 500 emails/day |
| Enterprise | Contact Sales | custom | custom |
Source: Warmbox Pricing
Pricing Analysis
Warmbox offers the lower entry point ($19/mo vs $29/mo). Teams watching their budget will appreciate the savings, especially when starting out.
Warmbox offers 4 pricing tiers compared to Mailivery's 3, giving you more granularity as you scale.
Features Breakdown
- Email Warm Up
- Inbox Placement Test
- Blacklist Monitoring
- Email Verification
- Custom Warm Up Templates
- Real email text & AI generated email content
- and 3 more listed below
- Automated email warmup with AI-powered interactions
- Customizable warmup recipes and strategies
- Spam score monitoring and blacklist checks
- Real-time analytics and reporting dashboard
- DNS checker (SPF, DKIM, DMARC)
- Multi-inbox support within a single account
- and 2 more listed below
Mailivery Key Features
- Email Warm Up
- Inbox Placement Test
- Blacklist Monitoring
- Email Verification
- Custom Warm Up Templates
- Real email text & AI generated email content
- Email scheduling & balancing to mimic natural behavior
- Peer2Peer interactions
- Automatic email reading and moving so that we don't jam your inbox
Warmbox Key Features
- Automated email warmup with AI-powered interactions
- Customizable warmup recipes and strategies
- Spam score monitoring and blacklist checks
- Real-time analytics and reporting dashboard
- DNS checker (SPF, DKIM, DMARC)
- Multi-inbox support within a single account
- Auto-reply, open, and favorite marking simulation
- Team collaboration with per-plan member limits
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 Mailivery
- Email Warm Up
- Inbox Placement Test
- Blacklist Monitoring
- Email Verification
- Custom Warm Up Templates
- Real email text & AI generated email content
- Email scheduling & balancing to mimic natural behavior
- Peer2Peer interactions
- Automatic email reading and moving so that we don't jam your inbox
Listed only by Warmbox
- Automated email warmup with AI-powered interactions
- Customizable warmup recipes and strategies
- Spam score monitoring and blacklist checks
- Real-time analytics and reporting dashboard
- DNS checker (SPF, DKIM, DMARC)
- Multi-inbox support within a single account
- Auto-reply, open, and favorite marking simulation
- Team collaboration with per-plan member limits
Integration Ecosystem
Mailivery Integrations
Mailivery connects with: Gmail, GSuite, Microsoft 365, SMTP, SendGrid.
Warmbox Integrations
Warmbox connects with: Gmail, Google Workspace, Outlook, Microsoft 365, Yahoo Mail, Amazon SES, SMTP, Zoho Mail.
Shared Integrations
Both tools integrate with: Gmail, Microsoft 365, SMTP.
Integrations listed only by Mailivery: GSuite, SendGrid.
Integrations listed only by Warmbox: Google Workspace, Outlook, Yahoo Mail, Amazon SES, Zoho Mail.
Use Case Recommendations
Best Fit for Mailivery
- Budget-conscious teams looking for an affordable email warmup tool
- Teams that need a wide feature set (9 capabilities listed)
- Teams launching new email domains for outreach
- Organizations recovering from deliverability issues
Best Fit for Warmbox
- Budget-conscious teams looking for an affordable email warmup tool
- Organizations with complex tech stacks needing broad integration support (8 integrations)
- Enterprise buyers who prefer custom pricing and dedicated support
Feature Comparison Summary
| Feature | Mailivery | Warmbox |
|---|---|---|
| Starting Price | $29/mo | $19/mo |
| Top Tier Price | $199/mo | Contact Sales |
| Total Features Listed | 9 | 8 |
| Integrations | 5 | 8 |
Getting Started Checklist
- Define your email domain warming and deliverability requirements and monthly budget
- Estimate your expected warmup email volume to find the right tier
- List the integrations your team currently relies on
- Sign up for free trials or demos of both platforms
- Run a small test with each tool before making a commitment
- Evaluate the onboarding experience and support quality
Final Thoughts
Mailivery and Warmbox both serve the email domain warming and deliverability market. Warmbox offers a more accessible entry point at $19/mo, while Mailivery starts at $29/mo. 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 Mailivery and Warmbox for current information.
Frequently asked questions.
Frequently asked questions- Which is cheaper, Mailivery or Warmbox?
- Warmbox has the lower entry price at $19/mo for its Solo plan, compared to Mailivery's Starter plan at $29/mo. However, Warmbox's Solo plan limits you to 1 inbox and 50 emails/day, while Mailivery's Starter plan allows unlimited mailboxes with 200 shared warm-up emails/day.
- How many pricing tiers does each tool offer?
- Warmbox offers 4 pricing tiers: Solo, Start-up, Growth, and Enterprise, with Enterprise priced by contacting sales. Mailivery offers 3 tiers: Starter, Professional, and Business, priced at $29/mo, $79/mo, and $199/mo respectively.
- What email platforms does Mailivery integrate with?
- Mailivery connects with Gmail, GSuite, Microsoft 365, SMTP, and SendGrid. This is a narrower integration list than Warmbox, which also supports Outlook, Yahoo Mail, Amazon SES, and Zoho Mail in addition to Gmail, Microsoft 365, and SMTP.
- What's the core difference between how Mailivery and Warmbox approach email warmup?
- Mailivery improves sender reputation by holding real conversations through a peer to peer network of active mailboxes, with inbox placement tests, blacklist monitoring, and email verification included. Warmbox automates inbox warming using AI-powered interactions and customizable warmup recipes, paired with spam score monitoring and analytics dashboards.
- Does Mailivery limit the number of connected mailboxes?
- No, Mailivery allows unlimited connected mailboxes on all its plans, including the $29/mo Starter tier. Its plans are instead priced based on total daily warm-up volume, such as 200 warm-up emails per day, shared, on the Starter plan.
About the author.
Tim Carden is CMO / CTO at RevenueFlow, which builds and operates outbound revenue engines for B2B companies. Studied at McGill University.
Tim Carden · CMO / CTO
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