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Warmbox versus Mailivery: an honest Mailbox Warmup comparison

A comparison between Warmbox and Mailivery, including strengths, considerations, and the Mailbox Warmup features that matter.

The essentials
Warmbox
Warmbox

Warm-up your cold email inbox.

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Mailivery
Mailivery

Land Your Emails in the Inbox

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Overview

The primary facts and short summaries for each product.

Primary fact$15/monthStarting at ยท With the solo plan$21.75/monthStarting at
OverviewWarmbox is a reliable email warmup tool with transparent pricing and automated spam removal that effectively improves sender reputation and inbox placement for teams sending cold email at volume, serving as an essential maintenance layer to ensure deliverability without replacing the need for strong offers or verified lists.Mailivery warms up your email reputation using AI and real mailboxes to help cold outreach land in primary inboxes instead of spam folders.

Email Integrations

See which email platforms work with the software.

Email IntegrationGoogle Workspace, Microsoft 365, Gmail, Outlook, Yahoo, iCloud, SES, AOL, SendGrid, Yandex, Brevo, Mailgun, Zoho, Custom SMTP sendersGoogle Workspace, Microsoft 365, Gmail, Outlook, Yahoo, SES, SendGrid, Zoho, Custom SMTP senders

Mailbox warmup

Mailboxes included6Not applicable
Unlimited mailbox connectionsNoYes
Warm-up messages per day
500Highest
200Lowest
Separate per-mailbox daily limitNot specifiedNo
Reply controlYesYes
Custom schedulingNot specifiedYes
Maximum reply rate (%)
45Highest
30Lowest
Gradually increases sendingYesYes
Choose sending hoursYesYes
Activity DashboardYesYes
Choose receiving providersNot specifiedYes
Use your own warmup copyNot specifiedYes
Automatic warmup repliesYesYes

Additional details

Product-specific details outside the shared category template.

Deliverability Testing Separate Inbox Placement TestNot specifiedYes
Deliverability Testing Results By Receiving ProviderNot specifiedYes
Deliverability Testing Spf ChecksYesYes
Deliverability Testing Dkim ChecksYesYes
Deliverability Testing Dmarc ChecksYesYes
Deliverability Testing Explains Authentication FixesYesYes
Deliverability Testing Checks Domain BlocklistsYesYes
Deliverability Testing Placement Test CreditsNot specified10
Email Verification Checks Uploaded Email ListsNot specifiedYes

Strengths & details

Editorial considerations and links to each complete product profile.

Strengths
  • Broad inbox integration
  • Private network of over 35,000 inboxes
  • Flexible warm-up recipes
  • Saves money on multiple inboxes
  • Runs quietly behind the scenes
  • Simple and quick setup
Considerations
  • Requires technical understanding
  • Time commitment
  • Dependent on private network health
  • Analytics can feel basic or unclear
  • Login credentials expire quickly
  • Support response times vary
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Details are shown as provided. โ€œNot specifiedโ€ means information has not been supplied.