MailRush.io vs MailToaster: Cold Email Platform vs Email Warmup Tool Comparison
Compare MailRush.io (cold email platform) and MailToaster (email warmup tool) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
MailRush.io is a cold email platform for outreach and follow-ups, priced from $19/mo, while MailToaster is an email warmup tool for building sender reputation, priced from $29/mo. MailRush.io includes email warmup and validation in every plan, so many teams use MailRush.io alone or pair it with MailToaster for deeper warmup.
Key takeaways
- MailRush.io starts at $19/mo for its Starter plan, while MailToaster starts at $29/mo for its Email Warm-up plan.
- MailRush.io offers three pricing tiers, Starter, Pro, and Scale, while MailToaster publishes only one plan.
- MailRush.io lists unlimited senders and unlimited email warming, while MailToaster lists a 100% automated warm-up process using a trusted network of real inboxes.
- MailRush.io integrates with SMTP, IMAP, Zapier, and Webhooks, while MailToaster integrates with Gmail, GSuite, and Outlook.
- MailRush.io includes email warmup and email validation in every plan, whereas MailToaster focuses solely on warm-up profiles that build, maintain, or repair sender reputation.
Reviewed and updated September 2, 2026
MailRush.io vs MailToaster: Cold Email Platform vs Email Warmup Tool Comparison
MailRush.io is a cold email platform; MailToaster is an email warmup tool. Whether you need one, the other, or both depends on which part of the workflow you are buying for: cold email outreach on one side, email domain warming and deliverability on the other. This guide lays out what each vendor publishes.
The Quick Answer
MailRush.io is a cold email platform for cold email outreach; MailToaster is an email warmup tool for email domain warming and deliverability. By each vendor's own wording, MailRush.io lists unlimited senders and unlimited email warming, and MailToaster lists 100% automated email warm-up process and trusted network of real inboxes for extra security.
MailRush.io offers a lower entry point at $19/mo compared to MailToaster at $29/mo.
If your priority is sending campaigns that land in the inbox and generate replies, MailRush.io is the one built for it; for building sender reputation and improving inbox placement, that is MailToaster. Many teams run one of each.
Understanding the Core Difference
MailRush.io is Cold email software that automates outreach and multi-step follow-ups from your own SMTP/IMAP mailboxes or MailRush-provided sending accounts. Email warmup and email validation are included in every plan.
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.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Starter
Email Warm-up
MailRush.io Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Starter | $19/mo | Up to 1,000 contacts | Up to 5,000 emails per month; up to 1,000 emails per day |
| Pro | $39/mo | Up to 30,000 contacts | Up to 10,000 emails per month; up to 1,500 emails per day |
| Scale | $99/mo | Up to 50,000 contacts | Up to 25,000 emails per month; up to 3,000 emails per day |
Source: MailRush.io Pricing
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
Pricing Analysis
MailRush.io is more affordable at the entry level ($19/mo vs $29/mo). For teams with tight budgets or those just getting started with cold email outreach and email domain warming and deliverability, this price difference matters.
MailRush.io offers 3 pricing tiers compared to MailToaster's 1, giving you more granularity as you scale.
Features Breakdown
- Unlimited senders
- Unlimited email warming
- Email validation
- API access & Webhooks
- Zapier integrations
- Spintax support
- and 5 more listed below
- 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
MailRush.io Key Features
- Unlimited senders
- Unlimited email warming
- Email validation
- API access & Webhooks
- Zapier integrations
- Spintax support
- Email follow-ups
- Suppression list
- Email copy spam assessment
- Email personalization
- Unsubscription automation
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
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 MailRush.io
- Unlimited senders
- Unlimited email warming
- Email validation
- API access & Webhooks
- Zapier integrations
- Spintax support
- Email follow-ups
- Suppression list
- Email copy spam assessment
- Email personalization
- Unsubscription automation
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
Integration Ecosystem
MailRush.io Integrations
MailRush.io connects with: SMTP, IMAP, Zapier, Webhooks.
MailToaster Integrations
MailToaster connects with: Gmail, GSuite, Outlook.
Integrations listed only by MailRush.io: SMTP, IMAP, Zapier, Webhooks.
Integrations listed only by MailToaster: Gmail, GSuite, Outlook.
Use Case Recommendations
Best Fit for MailRush.io
- Budget-conscious teams looking for an affordable cold email platform
- Teams that need a wide feature set (11 capabilities listed)
- Organizations with complex tech stacks needing broad integration support (4 integrations)
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
Feature Comparison Summary
| Feature | MailRush.io | MailToaster |
|---|---|---|
| Starting Price | $19/mo | $29/mo |
| Top Tier Price | $99/mo | $29/mo |
| Total Features Listed | 11 | 8 |
| Integrations | 4 | 3 |
Getting Started Checklist
- Define your cold email outreach and email domain warming and deliverability requirements and monthly budget
- Estimate your expected email sending volume and 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
MailRush.io serves the cold email outreach side of an outbound stack and MailToaster the email domain warming and deliverability side. MailRush.io offers a more accessible entry point at $19/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 MailRush.io and MailToaster for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between MailRush.io and MailToaster?
- MailRush.io is cold email software for sending outreach campaigns and follow-ups, while MailToaster is a dedicated email warmup tool that builds and repairs sender reputation using a network of real inboxes. MailRush.io includes warmup and validation in its plans, whereas MailToaster focuses only on warm-up.
- Which is cheaper, MailRush.io or MailToaster?
- MailRush.io is cheaper at the entry level, starting at $19/mo for its Starter plan, compared to MailToaster's single published plan at $29/mo. MailRush.io also offers three tiers, Starter, Pro, and Scale, giving more pricing options as needs grow.
- Do I need both MailRush.io and MailToaster?
- It depends on your priorities. If you want campaigns that land in the inbox and generate replies, MailRush.io is built for that, and it already includes unlimited email warming. For teams wanting a dedicated warmup service with features like warm-up profiles and detailed progress reports, MailToaster adds extra depth, and many teams run one of each.
- What integrations does each tool support?
- MailRush.io connects with SMTP, IMAP, Zapier, and Webhooks. MailToaster connects with Gmail, GSuite, and Outlook. The two integration sets do not overlap in what each vendor lists, reflecting their different focuses on outreach infrastructure versus mailbox-based warmup.
- What features does MailToaster offer that MailRush.io does not list?
- MailToaster lists a 100% automated warm-up process, a trusted network of real inboxes for extra security, multiple warm-up profiles, filtering for warm-up emails in your inbox, auto-generated warm-up templates, and detailed progress reports. These are listed only by MailToaster based on each vendor's own wording.
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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