MailToaster vs Warmforge: Email Warmup Tool Comparison
Compare MailToaster and Warmforge side by side. See pricing, features, and integrations to choose the right email warmup tool for your needs.
MailToaster and Warmforge both handle email domain warming and deliverability, but differ in approach and price. MailToaster costs $29/mo for automated warm-up using a network of real inboxes. Warmforge starts at $12/mo per mailbox slot, using AI-written emails, a per-mailbox Heat Score, and added DNS, MX, and blacklist health checks.
Key takeaways
- MailToaster's Email Warm-up plan costs $29/mo and is available for GSuite and Outlook.
- Warmforge's Email Warm Up plan starts at $12/mo per slot, with 1 slot covering 1 mailbox and 1 free slot included.
- Warmforge offers 3 pricing tiers including Placement Tests Pro at $39/mo and Placement Tests Growth at $169/mo, while MailToaster has just 1 published tier.
- Warmforge tracks a per-mailbox Heat Score and performs health checks on DNS, MX records, and blacklist status, features not listed by MailToaster.
- MailToaster integrates with Gmail, GSuite, and Outlook, while Warmforge integrates with Google Workspace, Microsoft 365, Gmail, Outlook, Salesforge, and Mailforge.
Reviewed and updated September 2, 2026
MailToaster vs Warmforge: Email Warmup Tool Comparison
MailToaster and Warmforge compete head-to-head in the email domain warming and deliverability space. This guide compares their pricing tiers, feature sets, and integration ecosystems to help you make a confident decision.
The Quick Answer
By each vendor's own wording, MailToaster lists 100% automated email warm-up process and trusted network of real inboxes for extra security, while Warmforge lists email warm up and monitoring & health checks. A capability both offer can appear under different names, so read both feature lists below.
Warmforge offers a lower entry point at $12/mo compared to MailToaster 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
MailToaster is Automated email warm-up service that builds, maintains and repairs sender reputation using peer-to-peer sending across a network of real inboxes. Warm-up profiles let you choose whether to build, maintain or repair reputation, and the system opens, replies to and removes messages from spam on your behalf.
Warmforge is Email warm up tool from the Forge Ecosystem that warms mailboxes with AI-written emails and tracks a per-mailbox Heat Score. Adds DNS, MX and blacklist health checks, placement tests and automatic removal of warm-up mail that lands in spam.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Email Warm-up
Email Warm Up (per slot)
MailToaster Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Email Warm-up | $29/mo | Email account / month | Not published; volume is managed by the warm-up profile |
Source: MailToaster Pricing
Warmforge Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Email Warm Up (per slot) | $12/mo | 1 slot covers 1 mailbox; 1 free slot included | Automated AI email warm up; 1 free placement test per month |
| Placement Tests Pro Plan | $39/mo | 50 mailboxes per test | 100 tests per month |
| Placement Tests Growth Plan | $169/mo | 250 mailboxes per test | Unlimited tests |
Source: Warmforge Pricing
Pricing Analysis
Warmforge offers the lower entry point ($12/mo vs $29/mo). Teams watching their budget will appreciate the savings, especially when starting out.
Warmforge offers 3 pricing tiers compared to MailToaster's 1, giving you more granularity as you scale.
Features Breakdown
- 100% automated email warm-up process
- Trusted network of real inboxes for extra security
- Positive engagement with your emails
- Available for GSuite and Outlook
- Multiple warm-up profiles to meet your current needs
- Filtering for warm-up emails in your Inbox
- and 2 more listed below
- Email Warm Up
- Monitoring & Health Checks
- Placement Tests
- Deliverability Boost
- Always-On Warm Up
- Heat Score per mailbox
- and 2 more listed below
MailToaster Key Features
- 100% automated email warm-up process
- Trusted network of real inboxes for extra security
- Positive engagement with your emails
- Available for GSuite and Outlook
- Multiple warm-up profiles to meet your current needs
- Filtering for warm-up emails in your Inbox
- Auto-generated texts and templates for warm-up emails
- Detailed reports for progress tracking
Warmforge Key Features
- Email Warm Up
- Monitoring & Health Checks
- Placement Tests
- Deliverability Boost
- Always-On Warm Up
- Heat Score per mailbox
- Health Checks on DNS and MX records and blacklist status
- Unique emails written by AI
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 MailToaster
- 100% automated email warm-up process
- Trusted network of real inboxes for extra security
- Positive engagement with your emails
- Available for GSuite and Outlook
- Multiple warm-up profiles to meet your current needs
- Filtering for warm-up emails in your Inbox
- Auto-generated texts and templates for warm-up emails
- Detailed reports for progress tracking
Listed only by Warmforge
- Email Warm Up
- Monitoring & Health Checks
- Placement Tests
- Deliverability Boost
- Always-On Warm Up
- Heat Score per mailbox
- Health Checks on DNS and MX records and blacklist status
- Unique emails written by AI
Integration Ecosystem
MailToaster Integrations
MailToaster connects with: Gmail, GSuite, Outlook.
Warmforge Integrations
Warmforge connects with: Google Workspace, Microsoft 365, Gmail, Outlook, Salesforge (native), Mailforge (native).
Shared Integrations
Both tools integrate with: Gmail, Outlook.
Integrations listed only by MailToaster: GSuite.
Integrations listed only by Warmforge: Google Workspace, Microsoft 365, Salesforge (native), Mailforge (native).
Use Case Recommendations
Best Fit for MailToaster
- Budget-conscious teams looking for an affordable email warmup tool
- Teams launching new email domains for outreach
- Organizations recovering from deliverability issues
- Agencies managing warmup across multiple client domains
Best Fit for Warmforge
- Budget-conscious teams looking for an affordable email warmup tool
- Organizations with complex tech stacks needing broad integration support (6 integrations)
- Teams launching new email domains for outreach
- Organizations recovering from deliverability issues
Feature Comparison Summary
| Feature | MailToaster | Warmforge |
|---|---|---|
| Starting Price | $29/mo | $12/mo |
| Top Tier Price | $29/mo | $169/mo |
| Total Features Listed | 8 | 8 |
| Integrations | 3 | 6 |
| Founded | N/A | 2024 |
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
MailToaster and Warmforge both serve the email domain warming and deliverability market. Warmforge offers a more accessible entry point at $12/mo, while MailToaster 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 MailToaster and Warmforge for current information.
Frequently asked questions.
Frequently asked questions- Which is cheaper, MailToaster or Warmforge?
- Warmforge has the lower entry price at $12/mo per mailbox slot, compared to MailToaster's $29/mo plan. Warmforge also offers additional paid tiers for placement testing, priced at $39/mo and $169/mo, giving it more pricing granularity than MailToaster's single published plan.
- What is the main difference between MailToaster and Warmforge?
- MailToaster builds sender reputation through automated warm-up using a trusted network of real inboxes, while Warmforge warms mailboxes with AI-written emails and tracks a per-mailbox Heat Score. Warmforge also adds DNS, MX, and blacklist health checks along with placement tests, which are not listed among MailToaster's features.
- Does MailToaster or Warmforge integrate with Outlook?
- Both tools integrate with Outlook. MailToaster connects with Gmail, GSuite, and Outlook, while Warmforge connects with Google Workspace, Microsoft 365, Gmail, Outlook, Salesforge, and Mailforge, the latter two being native integrations.
- Who is MailToaster best suited for?
- MailToaster is best suited for budget-conscious teams seeking an affordable warmup tool, teams launching new email domains for outreach, organizations recovering from deliverability issues, and agencies managing warmup across multiple client domains.
- What features does Warmforge offer that MailToaster does not list?
- Warmforge lists monitoring and health checks, placement tests, deliverability boost, always-on warm up, a per-mailbox Heat Score, health checks on DNS and MX records and blacklist status, and unique emails written by AI. These specific items do not appear in MailToaster's published feature list.
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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