Maildoso vs Warmy: Which Wins on Deliverability in 2025?

Are your emails landing in spam folders?

You’re not alone…

Many folks who send emails for their business or projects face this problem.

That’s where email warm-up tools come in.

Two popular names you might have heard are Maildoso vs Warmy.

Let’s dive into which one might help your emails actually get seen.

Overview

We tried out both Maildoso and Warmy.

We sent emails using each one. 

We watched to see if the emails went to the inbox or spam.

This helped us see which tool might work better for you.

What is Maildoso?

So, Maildoso is a tool that helps you send lots of emails to people you don’t know yet.

It wants to make sure your emails actually get to them and help you connect.

Also, explore our favorite Maildoso alternatives…

Key Benefits

• Automated Warm-up: Gradually increase sending volume to establish a positive sender reputation.
• Master Inbox: Manage all your email accounts from a unified inbox.
• Custom Tracking Domain: Track email opens and clicks with your branded domain for better deliverability.
• Spam Testing: Analyze your emails for spam triggers before you send them.

Pricing

Maildoso keeps it simple with three straightforward plans:

• Starter Package: Starts at $299/month
• Growth Package: Starts at $999/month
• Pro Package: $2199/month

What is Warmy?

So, what’s the deal with Warmy?

Think of it like this: it helps your new email address look trustworthy to email providers.

It sends and receives emails automatically, making your account seem active and legit.

This whole process helps your real emails land in inboxes, not spam folders.

Pretty neat, huh?

Also, explore our favorite Warmy alternatives…

Key Benefits

Warmy shines in a few key areas:

• Boost your email deliverability by up to 99%.
• See positive results in as little as 7-14 days.
• Offers integration with over 5000+ different email providers.
• Provides detailed reports on your email health score.
• Allows you to manage an unlimited number of email accounts.

Pricing

Warmy offers different plans to fit various needs:

• B2B Sender: Book a demo
• B2C Sender: Book a demo
• Custom Plan: Book a demo

Feature Comparison

Now, let’s look closely at what Maildoso and Warmy can do.

We’ll check out what each one offers.

This will help you see which one has the stuff you need for your cold email campaigns.

1. Warmup Process

Maildoso and Warmy both automate the email warmup process.

This means they slowly increase the number of emails sent from your mailbox.

This helps build trust with email providers.

Warmy lets you set custom warmup schedules.

Maildoso also does this, but some users find Warmy’s options easier to understand.  

2. Email Sending Limits

Knowing how many emails you can send is key for cold outreach.

Maildoso often has limits based on your plan.

Warmy sometimes says it offers unlimited email sending for warmup, but always check the fine print.

For actually send cold emails in your email campaign, both will rely on your email provider’s limits like Google Workspace.  

3. Managing Multiple Mailboxes

If you do a lot of email outreach, you might have many email accounts.

Both Maildoso and Warmy let you manage more than one.

This is important for scaling your cold email infrastructure.

Both make it fairly easy to add and keep track of different email accounts.

4. Reporting and Analytics

Seeing how your email warmup is going is helpful.

Both tools give you reports. 

You can see things like your deliverability rates.

Warmy’s reports are often praised for being very detailed. 

Maildoso also gives you data, but some users find Warmy’s easier to read and understand quickly.

5. IP Addresses

For better deliverability rates, especially for cold emailers, having a dedicated ip address or ip rotation can help.

Maildoso offers dedicated ip options in some of their plans.

Warmy focuses more on the warmup process itself and might not offer a dedicated IP address as a standard feature.

If you need a dedicated email ip, Maildoso might be a better fit.  

6. Integration with Other Tools

Often, you’ll use your email warmup tool with other email marketing software.

Both Maildoso and Warmy can connect with many popular tools.

This makes your cold outreach and overall workflow smoother.

The comparison here is that both aim to fit into your existing setup.  

7. Customer Support

If you run into problems with your cold email campaigns, good support is important.

Both Maildoso and Warmy offer customer support.

Some users have mentioned that Warmy’s support team is very responsive and helpful.

Others have had good experiences with Maildoso’s support as well. It can depend on the specific issue.  

What to Look For When Choosing a Cold Outreach Tool?

Here’s a quick checklist:

• Sending Limits: Consider your desired emails per month.
• Deliverability: Does it help avoid the spam folder?
• Prospect Organization: How easy is it to manage your leads?
• Template Options: Can you easily create and personalize emails?
• Reply Tracking: Can you monitor engagement and roi?
• API and Integrations: Does it connect with your other tools?
• Interface: Is the platform easy to use and navigate?
• Warm-up Features: Does it help improve your sender reputation?
• Customer Support: Is help readily available if you need it?

Final Verdict (Our Pick)

So, we looked closely at Maildoso and Warmy.

Both help your emails get to the inbox, not spam.

Warmy seemed a little easier to use and had really good reports.

If seeing detailed info about your email warmup is important, Warmy is a solid choice.

Maildoso is also good, especially if you need a dedicated ip address.

For most folks just starting with cold email and wanting to improve their deliverability rates, we think Warmy has a slight edge.

We spent time testing these tools so you don’t have to. Give Warmy a try and see your email outreach get better!

More of Maildoso

Here’s a comparison of Maildoso with its alternatives in the cold outreach landscape:

• Maildoso vs Instantly: Maildoso focuses on robust email infrastructure and affordable warming for multiple accounts. Instantly excels in deliverability, speed, and unlimited warm-up for B2B outreach.
• Maildoso vs Snov IO: Maildoso prioritizes advanced email warm-up and deliverability. Snov IO offers comprehensive tools for email finding, verification, and multi-channel campaigns.
• Maildoso vs Apollo: Maildoso emphasizes email deliverability and cost-effective warming. Apollo provides a vast B2B database for lead generation and sales engagement.
• Maildoso vs Reply: Maildoso focuses on email deliverability and master inbox management. Reply IO delivers extensive multi-channel outreach, including LinkedIn automation and AI features.
• Maildoso vs UpLead: Maildoso builds a strong email infrastructure for deliverability. UpLead is a sales intelligence platform renowned for high-quality, verified B2B contact data.
• Maildoso vs Mailshake: Maildoso offers automated warm-up and a central inbox for account management. Mailshake provides an intuitive platform for personalized cold email and follow-up sequences.
• Maildoso vs Lemlist: Maildoso provides advanced IP rotation for deliverability with multi-account warm-up. Lemlist specializes in hyper-personalized email campaigns using rich media and multi-channel sequences.
• Maildoso vs Woodpecker: Maildoso offers advanced warm-up and master inbox features for email infrastructure. Woodpecker focuses on smart sending practices and strong deliverability for cold email campaigns.
• Maildoso vs Smartlead: Maildoso provides a robust email infrastructure with a strong deliverability focus. Smartlead offers unlimited warm-up and high-volume cold email campaigns with detailed analytics.
• Maildoso vs Saleshandy: Maildoso integrates multiple email accounts and warm-up for seamless management. Saleshandy provides automated cold email campaigns, tracking, and a B2B lead finder.
• Maildoso vs Klenty: Maildoso focuses on improving email deliverability and warm-up. Klenty is a comprehensive sales engagement platform that integrates multi-channel outreach and CRM functionality.
• Maildoso vs Warmbox: Maildoso includes a warm-up within its broader email infrastructure platform. Warmbox is a dedicated, specialized tool focused solely on advanced email warm-up.

More of Warmy

• Warmy vs Instantly: Instantly offers broader outreach features beyond just email warm-up.
• Warmy vs Snov IO: Snov IO combines lead generation with email warm-up capabilities.
• Warmy vs Apollo: Apollo provides a comprehensive sales intelligence platform.
• Warmy vs Hunter io: Hunter io focuses primarily on email finding and verification.
• Warmy vs Reply io: Reply io offers multi-channel outreach automation.
• Warmy vs UpLead: UpLead excels in providing accurate B2B contact data.
• Warmy vs Mailshake: Mailshake offers user-friendly email outreach automation.
• Warmy vs Lemlist: Lemlist emphasizes personalization in cold email campaigns.
• Warmy vs Woodpecker: Woodpecker specializes in cold email automation and follow-ups.
• Warmy vs Saleshandy: Saleshandy offers email tracking and productivity tools.
• Warmy vs Klenty: Klenty provides personalized outreach with CRM integrations.
• Warmy vs Warmbox: Warmbox is another dedicated email warm-up service.
• Warmy vs Manyreach: Manyreach aims for AI-powered automation in outreach.

Frequently Asked Questions