Warmy.io Review 2025: Is It the Best Email Warmup Tool?

Email warm-up tools are designed to ensure that your emails reach the right inbox and do not get marked as spam.

The tools can also help in improving your reputation as a sender with the people you want to reach.

Warmy. io is one of the best choices in warming up your email accounts. In this review, we take a look at Warmy.io : features, cost, pros, cons, and other options to help you decide if it’s the best fit for your email marketing needs in 2025.

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What is Warmy.io?

Warmy.io

Warmy.io is the email warm-up tool, an improver of email deliverability. It creates mainly email reputation so that your messages will arrive in inboxes and not in spam folders.

Warmy.io uses artificial intelligence to automate warming up through the process of sending and receiving emails using diverse accounts.

It creates natural, human-like email activity that improves sender reputation over time—hands-off.

Features of Warmy.io

Full Automation

Warmy.io gives you full email warming automation. Connect your email and let the AI engine, Adeline, handle everything else.

Full automation

It warms up your email by sending and receiving messages, just like real human activity.

Adeline works in the background and adjusts the warming pace to make sure your emails build a good reputation gradually.

It checks hundreds of factors daily to ensure your email always is at the top and looks natural to the email providers, so your messages are trusted.

Progress Monitoring

Warmy.io will help you track your email performance. The Email Deliverability Checker indicates how likely the emails are to go to the inbox rather than the spam folder.

overview

The Email Health Checker does a general check-up of your email account status to make sure everything is all right for good deliverability.

Use the Email Template Checker to ensure your email designs and content are optimized to not get flagged or rejected.

Those tools will help you keep track of your email campaigns and improve them for better results.

Integration with Major Email Providers

Warmy.io works just fine with all the major email providers, so there’s no sweat in setting up, no matter which platform you are using.

It supports the most popular providers like Gmail, G Suite, Microsoft 365, Outlook, Zoho, and Yahoo; this literally means you can connect your email account fast and warm it up without a hitch.

With one or more accounts, Warmy.io will always provide seamless integration, ensuring that you can work on improving email deliverability without any hassle.

Perfect email activity

With Warmy.io, your email activity looks completely natural and helps build your sender reputation.

Perfect email activity

The emails you send are automatically opened, marked as important, and even moved out of the spam folder by real accounts.

It simulates real engagement, showing email providers that your messages are trustworthy and of value.

This will improve your email reputation over time and increase the chances of your future emails landing in the inbox, where they belong.

Language Support

Warmy.io helps to make email warming more efficient by offering support for 30+ languages.

This will let you perform warm-up emailing in the same language with which you are going to send to your audience.

Warmy, therefore, guarantees all your email activities to appear natural and in one style—be it targeting a local audience or an international audience. You will improve your sender reputation in a way that is most realistic and credible.

Email Warm-Up

Email warm-up is one of the major features of Warmy.io. It was designed to improve your sender reputation and increase the deliverability of emails.

Email warm up

It starts with a low volume of emails to trusted accounts and ramps up in volume over time.

These emails are automatically opened, replied to, and engaged with to signal to the email providers that your account can be trusted.

By automating this process, Warmy.io makes sure that your emails are more likely to reach inboxes instead of spam folders, hence making your campaigns more successful.

Placement checker

Placement Checker by Warmy.io will give you detailed reports on how to improve your email performance.

Placement checker

It will show how well your emails are being delivered across different email providers and if your domain is on any blacklists. The report will have important details about your DNS records like SPF DKIM and DMARC.

This will help you make sure your email settings are set up correctly. With this information, you can fix any problems with your emails getting delivered so they go into the inbox.

Email Seed List

One of the most important features in Warmy.io is the Email Seed List, which is going to help you improve your email deliverability.

It’s a list of trusted email accounts used to test how your emails perform across different email providers.

Email seed list

When you send an email to the seed list, these accounts will interact with your messages by opening, replying to them, or even marking them as important.

This activity mimics real-life engagement and works positively for your sender reputation so that your emails land more in inboxes rather than in spam folders.

Deliverability Test

The Deliverability Test in Warmy.io is the only way to understand how your emails perform.

Deliverability test

It will give information on whether your emails land in inboxes, spam folders, or are blocked entirely.

You can even find out possible reasons for deliverability problems, such as wrong settings or bad sender reputation, among many other things. A deliverability test helps in finding out and resolving the issues of an email campaign immediately.

Template Checker

Warmy.io’s Template Checker will optimize your email content to bypass spam filters.

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It will scan your email templates, looking for anything that could impede deliverability, including flagged keywords, formatting problems, or missing details.

The Template Checker by Warmy.io makes you adjust your emails in such a way that they are well-structured and professional for better chances of landing in the inbox.

It allows the user to create effective templates, which help in maximizing the success of email marketing.

Signature Builder

The easiest way to create a professional email signature to build your credibility and branding.

Email signature generaror

First-class signatures must contain your name, job title, company, and contact details so that your emails are perceived as credible and professional.

This tool helps in keeping the signature clean, attractive, and designed in a way to give a very good impression to the receiver of your email.

Use a strong email signature to build better relationships and supercharge your email campaigns.

Free DMARC Record Generator

Get a free DMARC Record Generator at Warmy. This tool helps you create a DMARC record for your website easily.

Free DMARC Record Generator

DMARC stops people from using your email address for scams like phishing. It helps keep your online identity safe.

The generator will walk you through making a DMARC record step by step. This way, you can be sure your emails are real.

With a valid DMARC record, your emails are more secure your brand is protected, and your emails are less likely to be spoofed or used for phishing.

Free cold email sequence builder

The Free Cold Email Sequence Builder in Warmy.io helps you build a follow-up email sequence for your cold email campaigns.

Free cold email sequence builder

It’s been proven that sending more follow-ups translates into a better possibility of achieving the desired outcomes.

This will let you create and schedule an email sequence so that communication with leads becomes systematic.

Not following up can cost you potential opportunities, so having some structured sequence can really make a big difference in increasing your response rates and chances at conversion.

Free SPF Record Generator

The Free SPF Record Generator in Warmy.io helps to create the perfect SPF record (Sender Policy Framework) for your domain.

Free SPF Record Generator

SPF records help to protect your domain from spoofing and indicate which mail servers are allowed to send emails on behalf of you.

It helps to easily set up a secure SPF record for better domain security and email deliverability.

With a proper SPF record, you reduce the chances of your messages being flagged as spam or outright rejected, which ensures your messages will reach the inbox.

GPM Integration

GPM Integration in Warmy.io allows connecting and managing your email accounts with Google Postmaster Tools (GPM).

This will monitor and improve email deliverability, considering the insights about your emailing practices, domain reputation, and performance.

It has detailed reporting by GPM integration on your emails’ performances like spam rate, inbox placements so that you can put to use towards changing your emails optimization for good sender reputation.

Adeline AI

Adeline from Warmy.io: The intelligent AI assistant to help you send better emails. Instead of applying the same strategy to everyone, Adeline will create a unique plan for each email account.

It will keep track of how you send emails and how recipients respond to them, and it will gradually increase the number of emails you send.

This is the gradual approach, so your emails do not get flagged as spam and end up in the inbox instead of the junk folder.

What makes Adeline special is that it can do a lot more than just warm up your emails.

It keeps track of how well your emails are doing in real time and predicts the best times and frequencies to send them.

This prediction feature helps you get more responses by sending emails at the right times without overwhelming your recipients with too many messages.

Another core feature of Adeline is AI-driven spam detection. It analyzes all the elements of your emails, from content to subject lines and sender reputation, to anything that can possibly make them land in the spam folder.

The value in flagging emails with a high probability of being marked as spam before they go out will give assurance that important emails are reaching their destination through the use of Adeline.

Warmy API

The Warmy API gives direct access to email warm-up services provided by Warmy.io from inside your applications and platforms.

Warmy API

A very handy tool, it is to have full control over the process of email warming up, automation, and customization of email warm-ups according to your specific needs.

The Warmy API helps to link all your email accounts, monitor deliverability, and get real-time performance data from inside your system.

Whether it be a large-scale email marketing campaign or simply a multitude of client accounts, the Warmy API is sure to give you the edge needed to enhance email deliverability and sender reputation.

Customer Support

Warmy.io offers customer support to help you with whatever problems or doubts you may have.

Whether it’s issues setting up your email account, getting clarification on any feature, or just about anything relating to improving deliverability, you have their experienced team at your service.

With the type of plan you have purchased, you’ll have access to priority support so you can have fast answers for all your inquiries.

Warmy.io will also offer multi-channel customer service, so you can always be sure to get help in the fastest and most efficient way possible, letting you focus on your email marketing without worries about technical issues.

Warmy.io Pricing

Warmy pricing
  • Starter – $49/month
    • Warm-up Emails per Day: 100
    • Key Features: Basic warm-up functionality with limited features, suitable for smaller email needs.
  • Business – $129/month
    • Warm-up Emails per Day: 300
    • Key Features: More warm-up emails per day with advanced features for better email performance.
  • Premium – $189/month
    • Warm-up Emails per Day: 1,000
    • Key Features: Higher email capacity with access to the full feature set for enhanced email warming.
  • Expert – $279/month
    • Warm-up Emails per Day: 2,000
    • Key Features: Designed for high-volume email sending with priority support for quick resolution of issues.
  • Platinum – $429/month
    • Warm-up Emails per Day: 2,000
    • Key Features: Maximum email capacity with premium support, ideal for businesses that require the highest level of service and performance.

Each plan is tailored to different needs, from basic email warm-up to high-volume email campaigns, with additional support and features as you move up the tiers.

Pros and Cons of Warmy

Pros of Warmy.io

  1. Full Automation: Warmy.io fully automates the process of email warm-up, saving a lot of time and effort. This increases the deliverability of your emails.
  2. Advanced AI: The in-built AI engine, Adeline, personalizes warm-up plans for each individual and optimizes email sending time for maximum engagement while reducing the chances of being flagged as spam.
  3. Integration with Major Providers: Works with major email providers, including Gmail, Outlook, Zoho, and others, for ease of setting up for all kinds of users.
  4. Detailed Analytics: Get real-time data on how your emails are performing with tools like Deliverability Insights and Placement Checker, and learn how to improve them.
  5. High Customization: From personalized warm-up plans to predictive sending optimization, it fits a variety of use cases in email marketing.
  6. Spam Risk Detection: It identifies and flags emails that may be marked as spam, saving you from falling into common email traps.
  7. Support for Multiple Languages: Ability to warm up emails in over 30 languages, which is helpful for international campaigns.

Cons of Warmy.io

  1. Limited Features on Lower Tiers: Basic plans, such as the Starter plan, have limited features that may not be enough for users with bigger or more complicated email needs.
  2. Learning Curve: It might take some time for new users to get familiar with all the features and how to use them best within their email campaigns.
  3. Limited to Email Warming: While it’s great for warming up emails, it doesn’t provide broader email marketing solutions, so it may require additional tools for full campaign management.

User Reviews and Experiences of Warmy

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My Personal Experience with Warmy

I had quite a fight with email deliverability for some time. So, finally, I tried Warmy.io.

That changed my way of doing email marketing entirely. I connected my email account in less than 25 seconds, and from there, Warmy’s AI, Adeline, took care of the rest.

I liked how it automatically adjusted my sending volume and kept everything natural-looking so that my emails weren’t sent to spam boxes.

What impressed me the most? Within just a couple of days, I saw a considerable rise in my email open rates and deliverability.

With predictive sending optimization and spam risk detection features, I’ll be able to make better decisions on whether to send emails and when to send them to better engage my audience.

The best of all is the support I get. Whether it’s detailed analytics or customers, Warmy.io really made sure I had everything that would make my work a success.

The tools like Deliverability Insights and Placement Checker were game changers; they gave instant feedback with practical tips on improving email performance.

If you are fed up with all the spammy emails and the low open rates, Warmy.io is what you need.

It saved me from much frustration, and I believe it will do the same for you. It’s a fast setup with impressive results and comes in different pricing plans, so it fits businesses of any size. Take the step now and sign up-don’t regret it!

Alternatives of Warmy

1. Mailshake

Mailshake is a nice email outreach and email warm-up tool combined. Automate sending emails to real accounts showing engagement with your messages to help improve your sender reputation for better deliverability.

Mailshake can be applied by businesses that need an all-in-one cold emailing and email warming solution, such as advanced tracking integrations with providers like Gmail and Outlook. Read our Mailshake Review

InboxAware

InboxAware is an email warm-up tool developed exclusively to improve your email deliverability. It sends test emails to real inboxes and encourages natural engagement like opens, clicks, and even replies.

It builds a good sender reputation and makes sure that your emails land in the inbox, not in the spam folder.

With InboxAware, you can track email performance in real-time, and easy integration with such popular providers as Gmail and Outlook makes it very convenient to use in improving email success.

Some of these tools are going to offer features that others do not, so identifying what you want to enhance—be it through your email or otherwise—will help you narrow down which is best for your needs. Read our InboxAware Review

Final thoughts

Warmy.io is the strong tool that can increase email deliverability with the fully automated warming-up process.

It offers a complete solution for growing your sender reputation and engagement with advanced AI, real-time analytics, and seamless integration with major email providers.

Whether you are just getting started or running high-volume campaigns, Warmy.io does its job of making sure your emails land in the inbox, not the spam folder. If you are serious about email marketing, this should definitely be considered.

Joshua Kilega
Joshua Kilega