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Mailwarm 2.0
Advanced email warmup and deliverability platform for outreach success.
What it does
Automates daily email warmup sequences using real inbox engagement and peer-to-peer interactions. Provides 24/7 continuous inbox placement testing to track spam versus inbox delivery rates. Monitors sender reputation scores across major email service providers like Gmail and Outlook. Combines automated software insights with direct expert support to resolve critical deliverability issues.
Why it works
Automated peer-to-peer network simulation establishes natural sending behavior and positive engagement signals. Continuous 24/7 tracking catches sudden spam filter blocks before outreach campaigns tank. Freemium and tiered pricing models accommodate small startups as well as large global enterprises. Direct access to deliverability experts ensures technical troubleshooting goes beyond surface-level dashboards.
Category: Marketing & Growth
Team Size: 2-10
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As of 2026
Marketing & Growth
Revenue: $1M-$10M ARR
Advanced email warmup and deliverability platform for outreach success.
Overview
Mailwarm 2.0 is an advanced email warmup and deliverability platform designed to help founders, marketers, and sales teams ensure outreach emails land directly in inboxes. Building on its predecessor, it integrates automated warmup sequences with real engagement signals, 24/7 monitoring tools, and infrastructure checks to optimize sender reputation. The platform prevents emails from hitting spam folders by simulating natural inbox interactions.
Funding status: Funded
Revenue source: Subscriptions
Customer type: B2B
Pricing: Subscription
Tech stack: Python, React, AWS, PostgreSQL
Platform: Web
Integrations: Gmail, Outlook, Yahoo, SMTP, HubSpot, Salesforce
Founder story
Mailwarm was founded in 2020 by Gonzague Hacher and Amine Benjelloun in Paris, France, later backed by Y Combinator. Built to solve the widespread frustration of cold outreach and marketing emails landing in spam folders, the platform evolved into a comprehensive email deliverability ecosystem trusted by thousands of teams worldwide.
What it does
- Automates daily email warmup sequences using real inbox engagement and peer-to-peer interactions
- Provides 24/7 continuous inbox placement testing to track spam versus inbox delivery rates
- Monitors sender reputation scores across major email service providers like Gmail and Outlook
- Combines automated software insights with direct expert support to resolve critical deliverability issues.
Who it's for
- Founders
- Marketers
- Sales Teams
- Agencies
Why it works
- Automated peer-to-peer network simulation establishes natural sending behavior and positive engagement signals
- Continuous 24/7 tracking catches sudden spam filter blocks before outreach campaigns tank
- Freemium and tiered pricing models accommodate small startups as well as large global enterprises
- Direct access to deliverability experts ensures technical troubleshooting goes beyond surface-level dashboards.
Growth strategies
- Y Combinator network amplification and alumni scaling
- Product Hunt major feature and version releases
- Content marketing targeting B2B sales and cold outreach playbooks
- Word- of-mouth recommendations across marketing and founder communities
Alternatives
Comparison overview
- Mailwarm combines automated peer-to-peer inbox warming with real-time 24/7 deliverability tracking and expert guidance
- Unlike traditional basic tools that only automate dummy sends, Mailwarm integrates live placement analytics and human expert support.