Last updated 07-24-2026
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Warmy
Warmy is an all-in-one email deliverability platform built for marketers, sales teams, and agencies who rely on cold outreach and bulk email. It warms up domains and mailboxes, monitors inbox placement, and surfaces actionable insights so your messages land in the primary inbox instead of spam or promotions tabs.
The platform connects to major providers like Gmail, Google Workspace, Outlook, Microsoft 365, Zoho, Amazon SES, and Mailgun. Its Adeline AI engine analyzes sending patterns across hundreds of parameters and adjusts warm-up schedules per mailbox. You also get deliverability testing, seed lists, Google Postmaster integration, and email validation from a single dashboard.
Warmy targets both B2B senders reaching business inboxes and B2C senders reaching consumer providers. Setup takes under a minute, and the company reports more than 35,000 businesses and 650,000 domains using the service. Free tools like deliverability tests, SPF and DMARC generators, and a template checker are available without an account.
Automated email warm-up with personalized messages sent through a network of real mailboxes
Adeline AI adjusts warm-up schedules per mailbox using data from Google Postmaster and sending metrics
Deliverability insights show inbox, spam, and promotions placement across major email providers
Connects to Gmail, Outlook, Zoho, Amazon SES, Mailgun, and dozens of other email providers
Free tools include deliverability tests, SPF and DMARC generators, and a cold email template checker
All-in-one platform covers warm-up, deliverability testing, seed lists, and email validation
Adeline AI personalizes warm-up schedules per mailbox instead of using fixed templates
Works with a wide range of email providers through IMAP and SMTP connections
7-day free trial requires no credit card
Includes free deliverability tools like SPF, DMARC, and template checkers
Public pricing is volume-based and requires booking a demo to see exact plan costs
Warm-up for brand-new domains can take two months or more before full sending volume
Sends and receives emails through your connected mailbox, which may not suit all compliance setups
Does Warmy offer a free trial?
Yes. Warmy offers a 7-day free trial with no credit card required. You can test all features during the trial and cancel anytime.
What email providers does Warmy support?
Warmy connects to Gmail, Google Workspace, Outlook, Microsoft 365, Zoho, Yahoo, Amazon SES, Mailgun, SendGrid, Brevo, and many other providers that support IMAP or SMTP.
How does Warmy automate email warm-up?
Warmy gradually increases sending volume and simulates natural interactions like opens, clicks, and replies. Its Adeline AI engine sets a personalized warm-up plan for each mailbox based on sending activity and reputation data.
Can I share my Warmy subscription with my team?
Yes. You can invite team members to your account. All members share the mailbox quota included in your plan, and Warmy also offers an agency dashboard for managing multiple clients.
How long should I use Warmy for email warm-up?
For new domains, Warmy recommends warming up for at least two months. Existing domains with poor reputation may need three to four weeks or longer. Ongoing warm-up is recommended if you run regular cold email campaigns.