Lemwarm vs Mailbutler
A factual comparison of features, pricing, and capabilities.
Lemwarm
Email warmup tool from lemlist that builds sender reputation using a network of 20,000+ healthy domains, with industry-tailored warmup clusters and deliverability scoring.
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.
Pricing comparison.
Monthly rates shown. Annual billing may offer discounts. Visit official sites for current pricing.
Feature comparison.
| Feature | Lemwarm | Mailbutler |
|---|---|---|
| Automated email warmup with human-like interactions | ||
| Warm-up network of 20,000+ healthy domains | ||
| Industry-tailored warmup clusters for natural patterns | ||
| Deliverability score out of 100 | ||
| Technical setup checker (SPF, DKIM, DMARC) | ||
| Personalized warmup using your real email templates (Smart plan) | ||
| Custom deliverability alerts and recommendations | ||
| Free with any lemlist subscription | ||
| 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 |
Native integrations.
Lemwarm
Mailbutler
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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.