Automatically Remove Invalid Email Addresses Before They Become a Problem

Connect your email service provider and mailfloss automatically removes invalid email addresses so the emails you send get in front of more ideal customers
Start your free trial

Free 7-day trial Easy setup Money-back guarantee

Fake emails in your list hurt your business.

When you send emails to fake email addresses you get penalized. That means more of your emails end up in spam and less in the inbox of your real customers.

mailfloss dashboard

"This is a truly no-brainer app for Infusionsoft users. It's just getting rid of all the junk on our lists!"

Marc Wayshak
Marc Wayshak Author
mailfloss ESPs

Free 7-day trial Easy setup Money-back guarantee

mailfloss works for you and removes fake emails before they become a problem.

When you connect mailfloss to your favourite email service provider, we scan for invalid email addresses and remove them every single day, increasing your email deliverability and getting more of your emails into the priority inbox.

We even fix typos of popular email services automatically

Email services like Gmail, Hotmail, Yahoo, and AOL frequently get misspelled. mailfloss fixes these email address typos and syncs them with your email service provider automatically. You don't have to lift a finger.

mailfloss typo fixer

"mailfloss found a bunch of email addresses that were dragging my email deliverability down. The integration with my email provider allowed me to purge those emails in moments. mailfloss made the process painless!"

Adam Connell
Adam Connell Blogger
Connect your ESP

Free 7-day trial Easy setup Money-back guarantee

Setup in 60 seconds

All it takes is a few button clicks and you only have to do it once. No developers needed and no more cumbersome spreadsheets.

Works with your favourite email service providers

We support 35 of the most popular email service providers and we keep adding more.

Automatically delete, unsubscribe, or update tags and custom fields

You have powerful options at your fingertips. And you're in complete control of what you want mailfloss to do.

Our satisfaction guarantee

There's no commitment and no contracts. If you don't see an improvement in your email deliverability in the first 30 days cancel and we'll refund your money.

Here's what happens when people start using mailfloss

I started using mailfloss on one of my lists and to my pleasant surprise open rates increased on average by 4%! The ease of use is awesome, just set it up and forget it!

Fred Owen
Fred Owen Owner Win with Fred

As soon as I started to floss my emails each day my domain and IP address reputation in Google Postmaster tools quickly started to climb back to high once again.

Trusted by people from small and big businesses across industries


Get up and running in 3 easy steps...

Step 1

Connect your favourite email marketing platform in a few clicks.

Connect your ESP

Step 2

Set some options to your preference. You're in complete control.

Set your preferences

Step 3

mailfloss works for you daily and automatically removes bad emails.

mailfloss does the rest

Setup in 60 seconds. Then never worry about email verification ever again.