Klaviyo
Shopify
Mailchimp
Omnisend
GoHighLevel
HubSpot
SendGrid
ActiveCampaign
Brevo
Drip
Sendlane
Customer.io
Yotpo
Attentive
Privy
Salesforce Marketing Cloud
Mailgun
Amazon SES
Ongage
ExpertSender
MailWizz
Dotdigital
Listrak
Bluecore
Emarsys
Sailthru
Cordial
Wunderkind
Rejoiner
Remarkety
Maropost
Sendy
Zoho Mail
GMX Mail
Zeta GlobalWarmy Product Suite
Everything you need to reach the inbox, grow your sender reputation and turn every email into results.
Not sure where to start? Talk to a deliverability expert →
Core Deliverability Products
Everything you need to reach the inbox and keep your sender reputation strong.
Email Warm-Up
Build sender reputation gradually so your emails land in the inbox, not spam.
ExploreDMARC Monitoring
Turn raw DMARC XML reports into a readable dashboard and move safely to enforcement.
ExploreEmail Deliverability Checker
See where your emails land across major mailbox providers and fix issues fast.
ExploreSeed List
Seed mailboxes behave like real people in a real browser: they open, read and click, so you see true inbox placement across Gmail, Outlook and more.
ExploreEmail Verification
Clean your lists and remove risky addresses before they hurt your reputation.
ExploreWarmy AI
AI-driven deliverability that monitors your domains and ranks fixes by impact.
ExploreYour AI deliverability expert, working 24/7
Adeline watches every domain and mailbox, spots problems before they hurt your inbox placement, and tells you exactly what to fix first.
- Monitors domains and mailboxes around the clock
- Ranks fixes by impact on inbox placement
- Explains issues in plain language
Free Tools & Utilities
Quick, no sign-up tools to check, fix and improve your emails.
Deliverability Audit
Run a free email deliverability test and get a clear health report.
View ToolSPF Generator
Create a correct SPF record for your domain in a few clicks.
View ToolDMARC Generator
Generate a DMARC record that protects your domain from spoofing.
View ToolSpam Checker
Test your email template for spammy words before you hit send.
View ToolMailbox Calculator
Work out how many mailboxes you need for your sending volume.
View ToolBest Time To Send
Find the best time to send emails to reach your audience.
View ToolSignature Builder
Design a professional email signature in minutes.
View ToolMobile Email Preview
See how your subject line and preheader look on a phone before you send.
View ToolSequence Builder
Plan a cold email sequence step by step with ready-made templates.
View ToolBecome a Certified Deliverability Expert
With Our Free Course
Elevate your email expertise with our free email deliverability course. Acquire practical insights into email deliverability, covering everything from authentication to advanced strategies
Loved by senders who live in the inbox
“Warmy has been a game changer for us. The platform pays for itself many times over.”
Co-founder and CRO, Cloud Tech Gurus
“If you do cold email, Warmy will increase your efficiency, improve your deliverability, and cut your costs.”
Thomas TzouridisCEO, ActiScale
“I've purchased many marketing tools before. Often, once you buy, you're on your own. With Warmy, they care about you.”
Founder, Nord Sales Company
Every email deserves to reach the inbox
Our vision
Make great email deliverability simple for every sender, by combining smart AI with real human expertise in one platform.
Warmy was built by email deliverability experts. Our tools warm up your mailboxes, test your inbox placement, monitor your domains and guide you to fix issues before they cost you results.
AI at the core
Adeline, our AI deliverability expert, watches your sending 24/7 and tells you what to fix.
Human expertise
Deliverability consultants who dig into root causes and guide every fix with you.
Trusted worldwide
Marketers, sales teams and agencies rely on Warmy to protect their sender reputation.
4.9/5 on G2
Recognized By The People Who Use Us
Award-winning on G2, season after season
