Tool comparison · Head to headUpdated 9/4/2026
Mailbutler vs Warmbox
A factual comparison of features, pricing, and capabilities.
01The contenders
Mailbutler
Mailbutler is an email extension for Gmail, Apple Mail and Outlook that adds email tracking, message templates, mail merge, smart follow-ups, AI compose, signatures, notes and tasks and team collaboration. Plans are per user per month billed in USD or EUR, with a free Starter plan.
Starting atCustom0
02Line by line
Pricing comparison.
Monthly rates shown. Annual billing may offer discounts. Visit official sites for current pricing.
03Capabilities
Feature comparison.
| Feature | Mailbutler | Warmbox |
|---|---|---|
| Email tracking with real-time notifications | ||
| Message templates | ||
| Mail merge | ||
| Smart follow-ups | ||
| Smart compose and smart improve (AI) | ||
| Smart timing | ||
| Email assignments and collaborator status | ||
| Notes and tasks | ||
| Automations | ||
| Signature marketing | ||
| 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 |
Available
Partial/Limited
Not Available
04Ecosystem
Native integrations.
Mailbutler
GmailApple MailOutlook
Warmbox
GmailGoogle WorkspaceOutlookMicrosoft 365Yahoo MailAmazon SESSMTPZoho Mail
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Information gathered from official sources and may change. Pricing and features last verified 9/4/2026. Please visit the official websites for the most current information.