Did you know that half your email success boils down to one make-or-break factor most marketers ignore? Spoiler: It’s not your subject line. Or your copy.
It’s deliverability.
If your emails aren’t ending up in spam, what difference does the copy make? you’re dead in the water…
After helping 2,317+ businesses (from scrappy startups to Fortune 500s) go from spam to inbox, I’ve learned this truth: Email warm-up tools improves email deliverability!
But which is the best email warmup tool?
To save you the time and money, I’ve spent $1,520 to try out the 5 email warmup tools for 3 months, to see which one has the highest deliverability at the lowest price, or better yet free!
Results are here
| Name | Daily Warmups | Deliverability | Price |
| Emailwarmup.com | 150 | 98.5% | $0 |
| Mailreach | 120 | 92.3% | $29/mo |
| Lemwarm | 95 | 89.9% | $25/mo |
| Warmbox | 82 | 94.2% | $15/mo |
| Mailwarm | 75 | 92.1% | $69/mo |
Top 5 Best Email Warmup Tools (Expert’s Pick)
Now that you know the order of the list, let’s talk about the reason behind the order.
- Emailwarmup.com
EmailWarmup.com out of the entire list, emailwarmup.com is the only one that’s Free (You only have to pay if you want advanced features that most people don’t even need).
But, it’s not just free that makes it to the top. It’s the fact that they have an email deliverability consultant team who are ready to help you with any issue at any time.
Trust, me if you think, you’ll never run into an email deliverability issue/question down the line, you have to think again.
Hence, would you rather to then have your questions answered by an email email deliverability consultant or a virtual assistant who knows less than you?
| PROS | CONS | PRICING |
| It’s completely free to use | Has advanced features | It’s FREE to use! |
| Connects to your Gmail & Outlook | ||
| Does Custom Warmups by connecting to your email campaigns | ||
| Email Deliverability Consultant on stand by to help you |
- Mailreach
Mailreach is another best email warmup tool designed to help you build a strong sender reputation, and it does this almost effortlessly.
One piece of advice here is that before even beginning a warmup, it is wise to run an email spam checker to ensure your email content is not triggering any red flags.
It sends emails from your account to a network of verified addresses and ensures those emails get replies. This back-and-forth activity reassures email service providers (ESPs) that you’re sending trustworthy, legitimate emails—not spam.
Additional tip: You can use an email validation API to verify email addresses business for you so you don’t risk the email reputation and deliverability of your business by sending email to emails that no longer exist.
Pros, Cons & Pricing Of Mailreach
| PROS | CONS | PRICING |
| It is user-friendly with a straightforward setup process. | The pricing might be steep for startups with limited budgets. | $25/ mailbox Per Month |
| Engage with a network of high-quality email addresses to build your sender reputation. | Free options may not provide access to all features. | |
| Works with almost all major email service providers. |
- Lemwarm
Lemwarm is an automated email warmup tool offered by Lemlist, a popular cold email outreach platform.
Designed to improve your email deliverability, Lemwarm helps you build a positive sender reputation by gradually increasing the volume of emails sent from your email address.
This process ensures that your emails avoid spam filters and land in the recipient’s primary inbox.
To truly understand if your warm up efforts are effective, you need to conduct an email deliverability test to see if your emails are going to Inbox or Spam.
Pros, Cons & Pricing Of Lemwarm
| PROS | CONS | PRICING |
| Requires minimal manual effort; warms up your email account automatically. | Relatively expensive compared to standalone warmup tools. | Essential Plan: $24 |
| Uses real email addresses to create genuine engagement, improving deliverability. | It’s not available as a separate product, so you must be a Lemlist user to access it. | Smart Plan: $40 |
| Adjust the pace and volume of emails to suit your needs. | ||
| Provides insights into deliverability performance, spam rate, and progress. |
- Warmbox
Another one of the best email warmup tools is Warmbox. It’s an automated warm-up tool that works by gradually increasing the sending volume of your email account over time.
Its primary objective is to build a positive sender reputation by engaging in authentic email interactions within a network of other Warmbox users.
Pros, Cons & Pricing Of Warmbox
| PROS | CONS | PRICING |
| The interface is user-friendly, making it accessible even for beginners. | While it offers great value, the pricing may seem steep for startups or individual users with limited budgets. | Solo: $15/month |
| Once set up, Warmbox automates the entire warmup process, saving you time and effort. | Warmbox helps improve deliverability but doesn’t address content issues that may trigger spam filters. | Start-up: $69/month |
| By mimicking human-like interactions, it significantly boosts the chances of emails landing in the inbox. | Growth: $139/month | |
| Works with major email platforms like Gmail, Outlook, and SMTP servers. |
- Mailwarm
Mailwarm is an automated email warmup tool that helps build trust with email providers by mimicking natural email interactions.
When you set up a new email account or domain, providers might be wary of it. Mailwarm steps in by sending small batches of emails and creating natural engagements like replies, clicks, and opens.
This gradual, realistic activity ensures your emails aren’t flagged as spam, helping you build a solid sender reputation over time.
Pros, Cons & Pricing Of Mailwarm
| PROS | CONS | PRICING |
| Its user-friendly interface makes it simple to configure and manage campaigns. | Can be expensive for small businesses or individuals with limited budgets. | Starter: $69/mo |
| Provides insights into your email health and sender reputation | Depends on the size and activity of Mailwarm’s user base, which could affect the warmup efficiency. | Growth: $159/mo |
| Works with various email providers and is suitable for businesses of all sizes. | Scale: $479/mo |
FAQ
What is the best email WarmUp tool?
After putting the top 15 email warmup tools to test, emailwarmup.com have the highest deliverability while being free.
How do I warm-up my emails?
You can either do it yourself manually by sending warmup emails to your network or you can let software like emailwarmup.com to automate the email warmup for you for free.
How to warm up up an email for free?
To warmup an email for free you can use a tool like emailwarmup.com as it’s completely free to use.
Is email warmup legal?
Yes, email warmup is legal as its sole purpose it to only increase your email deliverability.
Final Words
So, there you have it—a rundown of the top 5 email warmup tools: Emailwarmup.com, Mailreach, Lemwarm, Warmbox, and Mailwarm. Each of these tools is designed to give your email campaigns the boost they need to land in inboxes, not spam folders.
If you still have more questions, you can schedule a free call with an email deliverability consultant to do it for you.
When it comes to email marketing, picking the right warmup tool is a must. The right tool saves you time, simplifies the process, and ensures your emails create trust with both email providers and your audience.
Remember, great deliverability is the first step toward building meaningful connections and achieving email marketing success.
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