Warmy
Warmy uses AI-driven email warm-up to build domain reputation and improve deliverability, helping your outreach avoid spam folders and boost open rates. Supports Gmail, Outlook, and more. 25-second setup.

Summary
Warmy is an AI-powered email warm-up platform that helps businesses improve email deliverability, avoid spam folders, and ensure messages reach the primary inbox. Built for teams running B2B or B2C email outreach campaigns.
What is Warmy?
Warmy automates the email warm-up process to gradually build your domain reputation and IP trust using AI algorithms and Google Postmaster data. The platform simulates real interactions to train email providers to recognize your messages as legitimate, boosting open rates, click rates, and reducing bounces. Supports major providers like Gmail, Outlook, and Yahoo with a 25-second setup.
Core Capabilities
- AI-driven warm-up: Automated process to gradually build domain and IP reputation
- Real-time deliverability monitoring: Track whether emails land in inbox, spam, or promotions
- Spam testing: Identify and fix DNS and configuration issues affecting deliverability
- Google Postmaster integration: Leverage official data to optimize email performance
- Multi-provider support: Compatible with Gmail, Outlook, Yahoo, and other major platforms
Pros
- 2.3x higher open rates and 3x higher click rates (per official data)
- 25-second setup with no technical expertise required
- 7-day free trial with no credit card needed
- Used by 35,000+ businesses, benefiting 650,000+ domains
- AI auto-optimization reduces manual tuning
Cons
- Requires ongoing subscription to maintain warm-up effects
- Primarily for outreach emails, not the top choice for transactional emails
- Results depend on existing domain reputation baseline
- Pricing not publicly disclosed on website
Decision Guidance
Use Warmy if: You're running high-volume email outreach, frequently hit spam folders, or need to quickly establish reputation for new domains. Warmy automates warm-up and provides real-time monitoring.
Consider alternatives if: You only send low-volume transactional emails, already have stable deliverability, or have limited budget and can manually manage email reputation.