
mailfloss
Automatically clean, fix, tag and verify your HubSpot contacts
Requirements
HubSpot Plan Works with all HubSpot plans Learn more HubSpot Account permissions - View the required account permissions
mailfloss Subscription - Launch Lite, Launch Business, or Launch Pro plans
Overview

1/3 - Connect HubSpot to mailfloss
mailfloss automatically identifies, removes, tags, and fixes invalid email addresses of HubSpot contacts before they become a problem. This ensures the emails you send get in front of your ideal customers and users.
With our HubSpot integration, we make it super simple to keep your contacts clean and protected from hard bounces, typos, spam, and other risky email addresses that will hurt your email campaigns.
mailfloss works daily and in real-time, can fix typos of common email services such as Gmail, Hotmail, AOL, and Yahoo, removes other risky email addresses, and more. The best part is you don't have to lift a finger. It's a set and forget solution and you're in complete control.
Features

Instafloss for HubSpot
Instafloss enhances the email verification experience by providing real-time capabilities for HubSpot. Once you've connect mailfloss with HubSpot, simply turn on the Instafloss switch and mailfloss will take care of the rest. Anytime a new contact enters your HubSpot email database, mailfloss will floss it to ensure it is of the highest quality.

Typo Fixer for HubSpot
The Typo Fixer for HubSpot will automatically fix misspelled email addresses from popular email providers such as Gmail, Hotmail, iCloud, Yahoo, AOL, and so forth, ensuring leads and subscribers (and revenue) do not get lost due to email address typos. This is a powerful feature if your leads and subscribers are B2C, especially if running ads.

Automate cleaning actions
Set up auto-actions to automatically unsubscribe, delete, or update the custom fields of invalid email addresses. This ensures your sending emails only to the highest quality contacts, ensuring low bounces and high deliverability.

Decay Protection for HubSpot
Automatically protect your HubSpot email database by cleaning out once valid contacts that have since turned invalid due to things like job turnover, email abandonment, business going out of business, and so on. This ensures the email contacts that remain are always of the highest quality.
App Functionality
Shared Data
![]() Contacts |
Reviews
3.8
8
3.8
8
- 8. mars 2023
Barely effective
Affordable price, a relatively quick delivery, but a very big lack of accuracy despite the custom settings which included aggressive filters. It would be interesting to know how the algorithm works ; some domains were classified as spam for unknown reasons despite recent contact being made. We did a test with a couple of addresses where we could verify if they were still active or not, and more than 20% were not detected by mailfloss.
Clean a large and old database
Price, lot of tag options
Analysis only half done
ANDRIA, M.
Marketing Services - 26 to 50 employees
- 26. mai 2022
Easy to use
The reason for my rating of average is because it only finds about 50% of the fake email accounts. I find myself using a secondary tool
We use mailfloss to clean our email lists and fake leads that come in from our site.
Kotler, A.
Telecom & Mobile Communications - 51 to 200 employees
Pricing
Launch Lite
USD 24,17
/monthFor users with smaller email lists
10,000 scanned emails/month
Automatic Daily Cleanup
Decay Protection
Whitelist/Blacklist Options
1 ESP Integration
Zapier access
API
$0.005 overage per email
10% off prepaid credit purchases
Auto-Remove invalid emails
Launch Lite
USD 24,17
/monthFor users with smaller email lists
10,000 scanned emails/month
Automatic Daily Cleanup
Decay Protection
Whitelist/Blacklist Options
1 ESP Integration
Zapier access
API
$0.005 overage per email
10% off prepaid credit purchases
Auto-Remove invalid emails
* The pricing here is for display purposes only. All prices do not include taxes, incentives, discounts, or other pricing variables. You should contact the partner for the most up to date and correct pricing information. HubSpot does not take any responsibility for this pricing information, which is provided by our partners. Pricing last updated: 19.02.2025
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