Mailivery vs MailRush.io: Email Warmup Tool vs Cold Email Platform Comparison
Compare Mailivery (email warmup tool) and MailRush.io (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Mailivery is an email warmup tool focused on domain warming and inbox placement, priced from $29/mo, while MailRush.io is a cold email platform for outreach and follow-ups, priced from $19/mo. Mailivery builds sender reputation through peer to peer inbox activity; MailRush.io automates sending campaigns. Many teams use both together rather than choosing one.
Key takeaways
- Mailivery's Starter plan costs $29/mo and includes unlimited mailboxes with 200 shared warm-up emails per day.
- MailRush.io's Starter plan costs $19/mo, supports up to 1,000 contacts, and allows up to 5,000 emails per month.
- Mailivery integrates with Gmail, GSuite, Microsoft 365, SMTP, and SendGrid.
- MailRush.io integrates with SMTP, IMAP, Zapier, and Webhooks, with SMTP being the only integration shared by both tools.
- MailRush.io includes email warmup and email validation in every plan, while Mailivery focuses solely on warmup, inbox placement testing, and blacklist monitoring.
Reviewed and updated September 2, 2026
Mailivery vs MailRush.io: Email Warmup Tool vs Cold Email Platform Comparison
Sales teams building an outbound stack often weigh Mailivery, an email warmup tool for email domain warming and deliverability, against MailRush.io, a cold email platform for cold email outreach. They cover different parts of the workflow, so this comparison covers what each one does, what each one costs, and where they overlap.
The Quick Answer
Mailivery is an email warmup tool for email domain warming and deliverability; MailRush.io is a cold email platform for cold email outreach. By each vendor's own wording, Mailivery lists email warm up and inbox placement test, and MailRush.io lists unlimited senders and unlimited email warming.
MailRush.io 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, Mailivery is the one built for it; for sending campaigns that land in the inbox and generate replies, that is MailRush.io. Many teams run one of each.
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.
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.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Starter
Starter
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
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
Pricing Analysis
MailRush.io offers the lower entry point ($19/mo vs $29/mo). Teams watching their budget will appreciate the savings, especially when starting out.
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
- Unlimited senders
- Unlimited email warming
- Email validation
- API access & Webhooks
- Zapier integrations
- Spintax support
- and 5 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
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
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 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
Integration Ecosystem
Mailivery Integrations
Mailivery connects with: Gmail, GSuite, Microsoft 365, SMTP, SendGrid.
MailRush.io Integrations
MailRush.io connects with: SMTP, IMAP, Zapier, Webhooks.
Shared Integrations
Both tools integrate with: SMTP.
Integrations listed only by Mailivery: Gmail, GSuite, Microsoft 365, SendGrid.
Integrations listed only by MailRush.io: IMAP, Zapier, Webhooks.
Use Case Recommendations
Best Fit for Mailivery
- Budget-conscious teams looking for an affordable email warmup tool
- Organizations with complex tech stacks needing broad integration support (5 integrations)
- Teams launching new email domains for outreach
- Organizations recovering from deliverability issues
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)
- Sales teams running high-volume outbound email campaigns
- Agencies managing multiple client outreach programs
Feature Comparison Summary
| Feature | Mailivery | MailRush.io |
|---|---|---|
| Starting Price | $29/mo | $19/mo |
| Top Tier Price | $199/mo | $99/mo |
| Total Features Listed | 9 | 11 |
| Integrations | 5 | 4 |
Getting Started Checklist
- Define your email domain warming and deliverability and cold email outreach requirements and monthly budget
- Estimate your expected warmup email volume and email sending 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 serves the email domain warming and deliverability side of an outbound stack and MailRush.io the cold email outreach side. MailRush.io 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 MailRush.io for current information.
Frequently asked questions.
Frequently asked questions- Is Mailivery or MailRush.io cheaper?
- MailRush.io has the lower entry price at $19/mo compared to Mailivery's $29/mo Starter plan. MailRush.io's Pro plan is $39/mo and its Scale plan is $99/mo, while Mailivery's Professional plan is $79/mo and its Business plan is $199/mo.
- What is the main difference between Mailivery and MailRush.io?
- Mailivery is an email warmup tool that improves sender reputation and inbox placement through a peer to peer network of active mailboxes. MailRush.io is a cold email platform that automates outreach campaigns and multi-step follow-ups from your own SMTP or IMAP mailboxes, or MailRush-provided sending accounts.
- Do Mailivery and MailRush.io integrate with the same tools?
- They share only one integration in common: SMTP. Mailivery also connects with Gmail, GSuite, Microsoft 365, and SendGrid, while MailRush.io additionally connects with IMAP, Zapier, and Webhooks.
- Can I use Mailivery and MailRush.io together?
- Yes, the article notes that many teams run one of each since they cover different parts of the outbound workflow. Mailivery focuses on building sender reputation and deliverability, while MailRush.io handles sending campaigns and generating replies.
- Does MailRush.io include email warmup features?
- Yes, MailRush.io lists unlimited email warming as one of its included features in every plan, along with email validation. However, Mailivery is described as the dedicated tool for email warm up, inbox placement testing, and blacklist monitoring.
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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