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mailfloss

by mailfloss · Since 2018
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ActiveAvailable globallyCloud
Quick facts
Vendormailfloss
Year launched2018
StatusActive
Location17-7000 McLeaod Road, Niagara Falls, ON L2G7K3, CA
Countries servedGlobal
Languages1
Integrations39+
Free tier
Free trialYES
Contact sales

About mailfloss

Mailfloss is an email verification software from Mailfloss that helps maintain the quality of email lists. It provides automatic email verification, real-time verification, and integration with various email marketing platforms so businesses can reduce bounce rates and ensure deliverability. Mailfloss works by automatically checking and cleaning email lists, removing invalid addresses, and allowing users to focus on their marketing efforts without worrying about data quality. This service supports multiple integrations, making it adaptable to various marketing systems. Key capabilities: automatic email verification real-time verification integration with email platforms list cleaning bounce management Best for: marketing teams that need to maintain accurate email lists for effective campaigns.

Mailfloss is an industry-leading Software as a Service (SaaS) tool built specifically for automated email list verification and cleaning. Unlike traditional verification services that require the manual process of downloading an email list, uploading it for cleaning, and then downloading and re-uploading the scrubbed list, Mailfloss operates on a truly "set it and forget it" philosophy. Furthermore, the Instafloss feature provides a real-time verification capability. By integrating this functionality, Mailfloss prevents invalid or harmful email addresses from being added to the database at the point of entry. This proactive defense is crucial for protecting the sender's reputation, which is far easier to lose than it is to build. Mailfloss moves beyond simple hard-bounce detection by incorporating several features designed to optimize list value. The Typo Fixer is a standout capability that automatically corrects common misspellings of popular domains. This feature is a direct revenue protector, as it successfully "recovers" legitimate leads that would have otherwise been lost due to a simple data entry error.

Pros & Cons

What users like
  • +Stops bad email data from entering the database in the first place
  • +Seamless integration with over 35 ESPs/CRMs
  • +Truly a "set it and forget it" solution with daily automated list cleaning (Autofloss) that eliminates manual, time-consuming list maintenance.
What users flag
  • A credit card is required to access the free subscription trial
  • Live chat support is sometimes unavailable outside of standard business hours
  • The filters can occasionally misclassify valid emails associated with complex, custom B2B "catch-all" domains as invalid.

Features

Key features

Automated Daily Cleanup (Autofloss)
A "set it and forget it" feature that automatically syncs with your connected Email Service Provider (ESP) and cleans your lists daily, removing invalid emails without manual intervention.
Real-time Email Verification (Instafloss)
Verifies new email addresses instantly as they are collected via forms or added to your ESP, stopping bad data from entering your list from the start.
Typo Fixer
Automatically detects and corrects common misspellings in popular email service domains (e.g., correcting gamil.com to gmail.com), preventing the loss of legitimate subscribers.
Seamless, Native Integration
Provides out-of-the-box, deep integration with over 35 popular ESPs and CRMs (like HubSpot, Klaviyo, MailChimp, ActiveCampaign).
Auto-actions & Custom Rules
Allows users to define specific actions for different verification outcomes (e.g., automatically delete, unsubscribe, or tag contacts) based on customizable rules.

Additional features

Bulk Email Verification
Allows for the quick cleaning and verification of large, existing, or legacy email lists.
Disposable Email Detection
Identifies and flags or removes temporary, non-permanent email addresses used to sign up for temporary access.
Spam Trap Detection
Protects sender reputation by identifying and removing email addresses that are traps set up by anti-spam organizations.
Role-based Detection
Identifies generic emails (e.g., info@, sales@, admin@), which often have lower engagement and higher turnover.
Syntax Validation
Performs the foundational check to ensure the email address is correctly formatted (e.g., has one @ symbol, a valid domain structure).
Domain Verification
Checks for valid DNS and MX (Mail Exchange) records to ensure the domain is active and configured to receive email.
Catch-all Server Detection
Identifies domains that are configured to accept all emails sent to them, which can mask invalid user names.
Decay Protection
Automatically re-cleans older, once-valid emails that may have since become invalid due to job changes or account abandonment.
Custom Aggressiveness Settings
Users can adjust the sensitivity of the verification process to control the risk of removing valid, but hard-to-verify, emails.
Detailed Analytics & Reporting
Provides in-depth reports on list health, categorized verification results, and improvements in bounce rates and deliverability.
Whitelist/Blacklist Options
Allows users to manually enforce or suppress verification for specific emails or entire domains.

Pricing

Free trial
Free version
Request a quote
Promo Offer

Monthly plans

Lite

USD 29

Business

USD 59

Pro

USD 209

Countries & Languages

Global
Countries served
1
Interface languages
1
Billing currencies

Interface languages

English

Billing currencies

🇺🇸USD

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