Mailfloss Review: The Best Email Verifier in 2025?

Tired of your email marketing efforts hitting dead ends?

Are bounces and spam complaints dragging down your sender reputation?

It’s a frustrating problem many of us face.

Imagine the wasted time and resources spent on reaching invalid email addresses. 

In this Mailfloss review, we’ll dive deep into whether this email verifier is truly the best option available. 

What is Mailfloss?

Have you ever sent an email that disappears? 

Maybe it went to the wrong address.

Mailfloss helps fix that. It’s a tool that checks your email list to ensure the email addresses are valid and working.

This is called email verification.

Think of it like this: before you mail a letter, you want to make sure you have the right address.

Mailfloss does that for your emails.

This helps your email deliverability, meaning your emails are more likely to land in people’s inboxes.

Mailfloss can work with other tools you might use; this is called integration.

For example, it can connect to your email service provider. 

Who Created Mailfloss?

Mailfloss was founded by Martin Wong.

He started it because he had problems with emails bouncing. 

He needed a simple way to check if email addresses were real.

Since he couldn’t find anything easy to use, he decided to build it himself. 

He wanted something that busy businesses could set up quickly and then no longer have to worry about email verification.

The vision for Mailfloss is to be a no-fuss solution that automatically keeps your email list clean.

Improving email deliverability without any complicated steps.

Top Benefits of Mailfloss

Here are some of the best things about using Mailfloss:

• Save Money with Fair Pricing: Mailfloss offers different pricing plans to fit various needs, so you only pay for the email verification you actually use. This can be much cheaper than dealing with the costs of bounced emails and a poor sender reputation.
• Automate Your Email List Cleaning: You can set up Mailfloss to clean your email list automatically on a regular basis. This means you don’t have to remember to do it manually, saving you valuable time and effort.
• Easily Verify Email Addresses: Mailfloss makes it super simple to verify email addresses. Just connect Mailfloss to your email marketing platform, and it starts checking your list.
• Efficient Bulk Email Verification: Need to clean a large list? No problem! Mailfloss handles bulk email verification quickly and accurately, saving you hours of manual work.
• A Powerful Verification Tool: Mailfloss is a robust verification tool that catches more than just bad addresses. It can also identify emails with typos and temporary or disposable addresses.
• Improve Your Open Rates: By removing invalid emails, you’re sending to a more engaged audience. This can lead to higher open rates for your email campaigns.
• Seamless HubSpot Integration: If you use HubSpot, it’s easy to connect Mailfloss and keep your CRM data clean and up-to-date with accurate email addresses.
• Catch Typos Before They Cost You: Mailfloss helps you find and fix email addresses with common typos, ensuring your messages reach the intended recipients at popular email providers.

Best Features

Mailfloss has some really cool tools that make cleaning your email list easy and effective.

It does more than just tell you if an email is bad.

Here are some of the best things it can do to help your email deliverability:

1. Email Connector

Mailfloss can connect mailfloss automatically to many of the email services you might already use.

This means you don’t have to download and upload lists all the time.

It works in the background to start the email verification process without you having to do anything.

2. Frequency Controller

You get to tell Mailfloss how often you want it to check your list.

This is great because you can set it to run daily, weekly, or any other schedule that works best for you.

This feature helps you keep your list clean without being too disruptive.

3. Typos Fixer

We all make mistakes! Mailfloss can find email addresses with simple typos, like “gamil.com” instead of “gmail.com”.

It can often fix these for you, so you don’t lose out on connecting with someone just because of a small error.

This helps more of your emails land in the inbox.

4. Analytics

Mailfloss gives you easy-to-understand reports about your email list.

You can see how many bad emails were found and removed.

This helps you track how clean your list is over time and shows you the value of using an email verification tool.

5. Email Fixer

Beyond just finding bad emails, Mailfloss tries to fix deliverability issues.

It can identify and remove things like temporary email addresses or those that are likely to cause bounces.

This helps improve your sender reputation and ensures more of your messages reach a real inbox.

Mailfloss works in real-time to keep your list healthy.

Pricing

Plan Name	Features	Monthly Cost
Pro	Automatic Daily Cleanup, Decay Protection	$209
Business	10 ESP Integrations, Zapier access	$59
Lite	Whitelist/Blacklist Options, 1 ESP Integration	$29

Pros and Cons

Alternatives of Mailfloss

While Mailfloss offers strong email verification features, there are other options you might want to consider:

• ZeroBounce: Known for its robust detection of email bounces, spam traps, and abuse addresses. It offers a wide range of validation tools and integrations.
• NeverBounce: Emphasizes accuracy and offers detailed reports on email deliverability risks. They also provide features like advanced bounce analysis.
• Hunter (Email Verifier): Part of a larger suite of tools focused on finding and verifying email addresses associated with specific websites. It’s often used for lead generation.
• Clearout Offers AI-powered email verification, focusing on identifying and removing inactive and risky email addresses to improve sender reputation.
• Kickbox: Provides real-time and bulk email verification services with a focus on ease of use and integrations with popular marketing platforms.

Personal Experience with Mailfloss

Our team was struggling with consistently high bounce rates that were impacting our email marketing performance.

We suspected a lot of the issues stemmed from simple errors in our subscriber list. 

We needed a solution that could integrate seamlessly with our existing tools and provide reliable results.

 That’s when we decided to try Mailfloss.

Here’s how Mailfloss helped us:

• Effortless Integration: The process of integrating Mailfloss with our email marketing platform was straightforward and quick.
• Automatic Error Detection: Mailfloss immediately identified and flagged numerous email address typos and addresses with incorrect syntax.
• Real-Time Verification: The real-time verification feature prevented invalid addresses from even being added to our list.
• Reduced Bounce Rates: We saw a significant drop in our reduced bounce rates after consistently using Mailfloss.
• Improved Deliverability: By removing bad addresses and fixing misspelled ones, our emails were more likely to reach legitimate subscriber inboxes.
• Enhanced User Experience: Knowing our email list was cleaner gave us more confidence in our outreach and improved our overall email marketing experience.
• Positive ROI: The cost of Mailfloss was quickly justified by the time saved and the improved effectiveness of our campaigns, leading to a clear ROI.
• Streamlined Workflow: Mailfloss automated a crucial part of our workflow, freeing up our team to focus on creating better content.
• Increase Open Rates: With fewer bounces, our increase open rates and engagement metrics showed a noticeable improvement.

Final Thoughts

So, is Mailfloss worth it? 

Mailfloss makes email verification easy and, importantly, automatic.

The fact that Mailfloss integrates with so many popular tools is a huge plus.

It helps clean up your email list, improve your email deliverability, and ultimately save you money and frustration.

If you want to boost your open rates and get serious about your email marketing.

Giving Mailfloss a try could be a smart move for 2025. 

Why not see the difference a clean list can make?

Frequently Asked Questions