Core products
Core Deliverability Products
Everything you need to reach the inbox and keep your sender reputation strong.
Warmy AI
AI-driven deliverability that monitors your domains and ranks fixes by impact.
ExploreSendNova
Explore campaign performance, sender signals and Adeline insights in one connected view.
ExploreEmail 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.
ExploreAI Integrations
Bring Warmy’s deliverability insights into Claude, ChatGPT and compatible AI assistants.
ExploreMCP Connect
Connect MCP-compatible agents and developer tools to your Warmy deliverability workflow.
ExploreConnected workflows
Integrations, AI & team workflows
Keep your stack. Bring deliverability into the conversation.
Warmy API
Bring placement testing, verification and deliverability insights into your own workflows.
ExploreGoogle Postmaster
Connect Google’s reputation and spam-rate signals to your deliverability workflow.
ExploreAI Connect
Connect AI assistants and compatible MCP tools with Warmy’s deliverability capabilities.
ExploreAll Integrations
Explore email platforms, mailbox providers, AI tools and infrastructure compatibility.
ExploreWarmy for Agencies
Manage client mailboxes and deliverability from an agency-focused workflow.
ExploreGrowth Hub
Discover resources and guidance for your next stage of email growth.
Explore
Meet Adeline AI
Your signals. A clearer next step.
Understand what your domain, mailbox and placement results are telling you. Adeline helps explain the issues and prioritise what to review first.
Meet AdelineFree forever
Free Tools & Utilities
Build, inspect, test and plan your next email.
Email Builder
Create branded emails and preview your design before sending.
View ToolEmail Header Analyzer
Trace delivery routes and understand authentication results from email headers.
View ToolEmail Accessibility Checker
Review email HTML for accessibility issues and practical next steps.
View ToolDomain Reputation Checker
Review reputation signals that may affect your sending domain.
View ToolBlacklist Checker
Check domain and IP blocklist signals before investigating delivery issues.
View ToolEmail Verifier
Identify invalid or risky addresses before adding them to your sends.
View ToolSpamAssassin Checker
Inspect messages for SpamAssassin signals and potential spam triggers.
View ToolDNS Record Checker
Inspect your domain’s DNS records and email configuration.
View ToolMX Record Lookup
Find the mail servers configured to receive email for a domain.
View ToolSPF Checker & Flattener
Check SPF configuration and flatten excessive DNS lookups.
View ToolDKIM Generator & Checker
Generate signing keys or inspect a domain’s DKIM setup.
View ToolDMARC Checker
Inspect your DMARC policy and record configuration.
View ToolBIMI Generator
Prepare a BIMI record for supported inbox brand displays.
View ToolWarm-Up Volume Calculator
Estimate warm-up volume for your mailbox sending plan.
View ToolEmail Deliverability Test
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 ToolTemplate 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 ToolLearn & prepare
Make your next send an informed one
Become 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
