Mailwarm ◆
Mailwarm automatically warms up email sender reputation to keep cold campaigns out of spam and into inboxes.
Free·Free trial · from $29/mo
About Warmy.io
What is Warmy.io
Warmy.io is an AI-powered email deliverability tool that automates email warm-up to improve sender reputation and inbox placement. It connects to a network of real business or consumer inboxes to send and reply to messages in a natural pattern, training spam filters that your address is legitimate.
Who it is for
Ideal for sales teams, agencies, founders, and affiliates sending cold outreach at scale. Also helps those recovering from spam complaints or blacklists. Not recommended for warm email lists where deliverability is already healthy.
Real use cases
Use Warmy.io to warm up new Gmail, Outlook, or custom SMTP accounts before launching a campaign. Monitor deliverability metrics and spam score in real time. Set custom warm-up schedules to match your sending pattern. Integrates via API for advanced workflows.
Key benefits
Instead of manual warm-up, Warmy.io automates the process with a real inbox network, reducing risk and saving hours weekly. The platform also offers a deliverability monitor, Google Postmaster integration, and dedicated expert support on higher-tier plans.
Key features
- Automated Warm-Up — Sends and replies from a real inbox network to build sender reputation.
- Deliverability Monitoring — Tracks inbox placement rate and spam score in real time.
- Custom Schedules — Set daily warm-up volume and timing to match your sending patterns.
- Multi-Account Support — Manage warm-up for multiple email addresses from one dashboard.
- Google Postmaster Integration — Pulls data to make warm-up more effective and personalized.
- API Access — Integrate warm-up into your own email automation workflows.
- AI-Driven Optimization — Uses sophisticated algorithms to improve deliverability and reputation.
SaaSpartout Score
7.3
/10
Editorial score from our review methodology — not user ratings.
Warmy.io Pricing
Warmy.io pricing: from $19/mo. Billing model: Freemium.
B2B Sender – Volume-based pricing
Warm up domains and IPs using a network of business mailboxes, ensuring emails land in the primary inbox for professional providers like Google Workspace and Microsoft 365. Includes Google Postmaster integration, deliverability monitor, and a dedicated expert.
B2C Sender – Volume-based pricing
Warm up domains and IPs using a network of consumer mailboxes, ensuring emails land in the primary inbox for personal providers like Gmail, Yahoo, and Outlook. Includes Google Postmaster integration, deliverability monitor, and a dedicated expert.
Custom Plan
Tailored solution for unique needs. Includes volume-based pricing, Google Postmaster integration, deliverability monitor, a dedicated expert, and a dedicated customer success manager with weekly or bi-weekly guidance.
All plans start with a 7-day free trial – no credit card required, cancel anytime.
Exclusive deal via SaaSpartout
Get the deal →Frequently asked questions
How much does Warmy.io cost?
Warmy.io pricing is volume-based, starting from $19/mo. Plans scale with warm-up volume. A 7-day free trial is available with no credit card required.
Does Warmy.io offer a free trial?
Yes, Warmy.io offers a 7-day free trial on all plans. No credit card is required, and you can cancel anytime.
What is Warmy.io and how does it work?
Warmy.io is an AI-driven email warm-up tool that automates sending and replying to emails through a network of real inboxes. This trains spam filters to recognize your email as legitimate, improving deliverability and inbox placement.
Who is Warmy.io best for?
Warmy.io is best for sales teams, agencies, founders, and affiliates doing cold outreach at scale. It is also useful for anyone recovering from a spam complaint or blacklist.
What are top alternatives to Warmy.io?
Top alternatives include Mailwarm, Lemwarm, and QuickMail’s warm-up feature. Each has different pricing and network sizes, so compare plans based on your volume and inbox type needs.
Does Warmy.io work with Gmail and Outlook?
Yes, Warmy.io supports Gmail, Outlook, Yahoo, custom SMTP, Google Workspace, and Microsoft 365. It uses separate inbox networks for business (B2B) and consumer (B2C) providers.
