General Information

mails.wtf helps businesses connect with each other by providing web applications, browser extensions, and other online services.

We are committed to respecting everyone's privacy and design our services with this goal in mind. This Privacy Policy describes what data we collect and how we process it. Should you have any questions, please reach out, we'll be glad to help: [email protected]


What information does mails.wtf collect?



When you are on our website

When you're using our website, we track your usage which includes statistics such as which pages you visit and how long you look at them. If you create an account, we ask information such as your email, you name or what company you work for. All this information is used to personalize your experience or send you onboarding emails and invoices. In cases of high-risk of fraud, we might ask for a phone number for verification purposes (we never use it for marketing purposes). If you become a paying customer, we will collect your payment card information.


When you use our services

Whether it is through the API, the website, the Google Sheets add-on, or the browser extensions we provide; we monitor your usage, and log requests that you make. Those logs can include IP address, geolocalization information, browser type, etc. We destroy those logs after 3 or 4 months.
When using our services, you might send us some files (for example, by using the bulk Email Finder or the bulk Email Verifier). We store your files until you destroy them or close your account.


When someone uses the MailTracker or Outreach services

Our users can send emails through the MailTracker or our Outreach feature and get tracking information on them. We’ll let them know if we think their emails have been opened, where and how many times.

To offer this features, we store some information regarding the emails such as the subject and the recipient(s) (we don’t store the body). When possible, we store the data in a pseudonymized form as much as possible.

We may store the location of the person opening the emails using IP addresses. To respect their privacy, the IP addresses collected this way are anonymized.


When you are on our website

When you're using our website, we track your usage which includes statistics such as which pages you visit and how long you look at them. If you create an account, we ask information such as your email, you name or what company you work for. All this information is used to personalize your experience or send you onboarding emails and invoices. In cases of high-risk of fraud, we might ask for a phone number for verification purposes (we never use it for marketing purposes). If you become a paying customer, we will collect your payment card information.


When you are on our website

When you're using our website, we track your usage which includes statistics such as which pages you visit and how long you look at them. If you create an account, we ask information such as your email, you name or what company you work for. All this information is used to personalize your experience or send you onboarding emails and invoices. In cases of high-risk of fraud, we might ask for a phone number for verification purposes (we never use it for marketing purposes). If you become a paying customer, we will collect your payment card information.


When you are on our website

When you're using our website, we track your usage which includes statistics such as which pages you visit and how long you look at them. If you create an account, we ask information such as your email, you name or what company you work for. All this information is used to personalize your experience or send you onboarding emails and invoices. In cases of high-risk of fraud, we might ask for a phone number for verification purposes (we never use it for marketing purposes). If you become a paying customer, we will collect your payment card information.


How we use your data



To provide our service

When creating an account, you agree to our Terms of Service which allows us to process your data to give you access to mails.wtf. This way, you can have an account on our website, save and process leads, invite other team members, etc.


To improve our the User Experience

We're looking at usage patterns and various statistics to understand what to improve on mails.wtf. This includes, for example, doing A/B testing on new features.

We’re also using the data that goes through our services to improve the services themselves. We only use this information to validate data we already have or that is being supplied by a user, not to enrich our databases.


To inform businesses regarding content that is publicly displayed online

To provide the service, we also give you access to the publicly accessible business data we have indexed. It is in our users' (and the businesses they work for) legitimate interest to have access to the business data already shared on the web. This helps them discover relevant contacts within companies they want to reach out to.


To market new services

Regularly, we launch new services. We’ll let users know about those releases if they have asked us to keep them up to date.


Your controls, choices, and rights



Update and correct your information

If you're a direct user of our service, you can log in to your account and update your information directly there.


Know if we have information concerning you and what that information is

In particular, we'll let you know:
If you're in our database
Exactly what data we hold
The purposes of the processing
How long the data will be kept
Where exactly on the web that information has been found
All your other rights regarding your data

To get started, reach out at [email protected]


Services helping us manage your data


To provide our service, we rely on other companies that can partially manage your data. We carefully select our providers to ensure the privacy and security of your data. Our biggest providers are:
To secure connections with our users and speed up our services: Cloudflare, Amazon Web Services
Hosting: Heroku
Database: MongoDB Atlas
For internal collaboration and emails: G Suite (Google), Slack



contact us at [email protected] for any help.