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Maximize Your Email Deliverability, Worry Free and Hands Off.

  • 17-7000 McLeod Road Suite # 309, Niagara Falls, ON, L2G7K3, CA
  • Established in 2018
  • Unknown

Editor's Overview

Mailfloss has some exciting features like automatic mailfloss, which scans your connected email service provider for new emails every day. However, on the accuracy front, Mailfloss has a space to improve as its system is not capable of validating Yahoo mail accounts currently.


  • Freemium model offers 500 free email verification every month.


  • The credit card details are mandatory for signing up.
  • Marks Yahoo mail accounts as the catchall.
  • Real-time API for email verifcation is not available.

  MailFloss - Ranked 4th in Pricing

Number of Email Verifications Cost/Price
1000 Email Verifications $4
10000 Email Verifications $20
100K Email Verifications $150
500K Email Verifications $400
1M Email Verifications $600
2.5M Email Verifications $1300
  • Mailfloss offers monthly and yearly subscription plans.
  • The minimum order value is $4 for 1000 credits. The credit never expires.

Top 10 Most Affordable Email Verification Vendors

(Cost for 10k Email verification)

See All Affordable Email Verification Vendors

MailFloss - Ranked # in Accuracy

No Audit for current period

  • MailFloss guarantees 99% accuracy for email deliverability.
  • MailFloss does have some exciting features but ranks lower in overall email list verification accuracy.
  • At present Mailfloss does not identify Yahoo mail accounts and marks it as the catchall. However, the team behind Mailfloss is working to improve this in the nearer future.

No Audit for current period.

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MailFloss - Multiple Different Validations

Top 10 Most Accurate Email Verification Vendors

MailFloss Accuracy Vs. Avg. Industry standards

MailFloss Accuracy Industry Average

MailFloss - Ranked # in Turnaround

No Audit for current period

  • Mailfloss is capable of processing 100K email addresses within an hour.

  • Mailfloss does not consume more than 5 minutes in verifying email list up to 10K email records.

No Audit for current period.

Top 10 Fastest Email Verification Vendors

(Turnaround Time per 10k Emails)

MailFloss - Ranked 0th in Free Trial

  • Mailfloss offers 500 credits/month for free.

No Free Email verification available without Signup

Monthly 500 verifications available after signup

Credit card Required

Integration Options

  • Following integration, options are available - MailChimp, Ontraport, ConstantContact, HubSpot, Campaign Monitor, Aweber, Infusionsoft, ActiveCampaign, ConvertKit, Drip, and Sendlane.
  • Video tutorial for ease of integration is available on their website.

Advance Features

  • Auto floss - Mailfloss will automatically scan your connected email service provider for new emails every day and verify them.  If you combine that with Mailfloss auto action feature, such as automatic unsubscribe or automatic delete, you can have a wholly hands-off and automated approach to email verification.

Sign up process

  • The credit card is mandatory for registering with mailfloss.
  • Also, the two-step sign-up process is lengthy.

App installation required?

  • Mailfloss is a web-based platform which does not require any download or installation.

Formats for file Upload

  • File for verification must be uploaded in .csv format.
  • Files can be imported using available integration options.

Format for file Download

  • The resultant file is available for download in .csv format only.
  • Fewer options for downloading the resultant file is available, i.e. All, Valid and Invalid.

Customized / scalable services

  • Contact Mailfloss support team for requesting the custom quote.

Request a quote

Customer Support

  • Mailfloss extends support during office hours only.
  • Mailfloss does not give quick replies via live chat.
Claimed By MailFloss
Live Chat
Live Chat
  • Excellent
  • Good
  • Average
  • Not available

Real-time verification through API

  • At present Mailfloss does not facilitate Real-time verification through API.
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From the business

About - MailFloss

Established in 2018.

Mailfloss is the newcomer in the email verification industry. With its competitive pricing and rich automated features, it is set to lock horns with its competitors. To attract the users, Mailfloss have a freemium plan which allows verifying 500 emails on a monthly basis. However, the credit card is required for signing up with Mailfloss. 

Mailfloss has a rich Autofloss feature which cleans new emails every day after it is connected with email marketing service provider. Mailfloss facilitates good options for integrating email marketing providers like MailChimp, AWeber, Campaign Monitor, Sendlane, etc.

At present Mailfloss in unable to detect free emails like Yahoo mail accounts and marks it as the catchall. Also, it does not remove duplicate emails from the list. However, the team behind Mailfloss is working on this loopholes and may come up with the solution in the nearer future. 

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