Privacy Policy

Your privacy is important to us. Here’s how we use and protect your data.

Last updated on July 10, 2024

At MailerCheck, protecting your privacy and the privacy of others is very important to us.

The purpose of this Privacy Policy is to make MailerCheck safe and appropriate for everyone. Our Privacy Policy applies to your use of MailerCheck’s Services and describes the kind of information we process, how it is processed and why.

MailerCheck is a corporation whose legal name is MailerCheck, Inc. (228 Park Ave S, PMB 54955, New York, New York 10003-1502). We provide email validation services (“Service”). We process Personal Data as a Processor on behalf of the Customer.

1. Definitions

1.1. "Controller" means an entity that determines the purposes and means of the Processing of Personal Data.

1.2. "Customer" means a person or entity that is registered with MailerCheck to use the Services.

1.3. "Data Protection Laws" means all data protection and privacy laws and regulations of the EU, EEA and their member states, applicable to the Processing of Personal Data.

1.4. “Data Subject” means a natural person whose Personal Data is processing;

1.5. "GDPR" means the Regulation (EU) 2016/679 of the European Parliament and the Council of 27 April 2016 on the protection of natural persons with regard to the Processing of Personal Data and on the free movement of such data and repealing Directive 95/46/EC (General Data Protection Regulation).

1.6. "Personal Data" means any information relating to an identified or identifiable natural person.

1.7. "Processing" means any operation or set of operations which is performed upon Personal Data, whether or not by automatic means, such as collection, recording, organization, storage, adaptation or alteration, retrieval, consultation, use, disclosure by transmission, dissemination or otherwise making available, alignment or combination, blocking, erasure or destruction. "Process", "Processes" and "Processed" shall be interpreted accordingly.

1.8. "Processor" means a natural or legal person, public authority, agency, or any other body which Processes Personal Data on behalf of the Controller.

1.9. "Services" means any product or service provided by MailerCheck pursuant to MailerCheck’s Terms of Service ("TOS").

1.10. “We”, “us”, and “our” refer to the MailerCheck and "you", "yours" refer to the Customer.

2. Consent

By accessing our Services, you accept our Privacy Policy and TOS, and you consent to our collection, storage, use and disclosure of your personal information as described in this Privacy Policy. In addition, by using our Services you are accepting the policies and practices described in this Privacy Policy. Each time you visit our website or use the Service, and any time you voluntarily provide us with information, you agree that you are consenting to our collection, use and disclosure of the information that you provide, and you are consenting to receive emails or otherwise be contacted, as described in this Privacy Policy. Whether or not you register or create an account with us, this Privacy Policy applies to all users of the website and the Services.

3. What information we process

We process the data you provide us with. MailerCheck may collect both “Personal Data” and “Non-Personal Data” about you and will process this data for the duration of the Services, as described in the TOS:

3.1. Personal Data:

  • Customers information: identification and contact data (name, contact details (email), username); billing information (billing address, payment information); organization information (name, address, geographic location, area of responsibility, VAT code, Registration code), IT information (IP addresses, usage data, cookies data, online navigation data, location data, browser data).

  • Data Subject information: email address and any other information which Customer will provide to us.

At any time, you may log in and change this information, or remove it. You may decline to provide Personal Data to the Services, however, some of the Personal Data we ask you to provide, for example, email address, is mandatory for a Service. If you decline to provide it, we may not be able to provide that service to you.

Please note, MailerCheck does not process or store your credit card information. Once you make a payment, your credit card information is transferred to our third-party payment processor Stripe. Please find their Privacy Policy here.

Please note that MailerCheck has partnered with MailerLite to provide customer support services for our clients. MailerLite’s Privacy Policy can be found here.

3.2. Non-Personal Data:

  • Browser and device information: location, device type, model, number, type of browser or operating system, the time and date of access, browsing activity, screen resolution, plug-ins, add-ons and the version of the Services you are using, and other information that does not personally identify you.

  • Information from your use of the Services and information from other sources: we may receive information about how and when you use the Services, store it in log files or other types of files associated with your account and link it to other information we collect about you. Also, we may obtain information about you or Data Subjects from third party sources, such as public databases, social media platforms, third-party data providers and our joint marketing partners. This information may include, for example, time, date, browser used, demographic information, device information (such as device type, model, number, type of browser or operating system, IP addresses), location and online behavioral data (such as information about your use of social media websites, page view information and search results and links), actions you have taken, anonymous usage data, referring/exit pages and URLs, preferences you submit and preferences that are generated based on the data you submit and number of clicks.

4. Purposes of processing

4.1. MailerCheck uses collected information for the operation of the Services, to maintain the quality of the Service, to provide general statistics regarding use of the Service, to promote and analyze the Services, to provide customer support and send information about the Services, to protect the rights and safety of Customers, Data Subjects, third-parties and our own, to send customized informational or promotional content and provide suggestions according to marketing preferences, to ensure observance of our TOS and meet the legal requirements, to verify identity and provided information, manage payments, to understand demographics, Customer interests and needs, and other trends among users, and for other business purposes.

4.2. We may combine Personal Data with other information we Process to customize informational content and enhance our ability to provide Services according to marketing preferences, restrictions or for advertising, targeting purposes or to develop and provide you with more relevant products and features in accordance with this Privacy Policy.

5. How we collect your information

5.1. Data provided by our Customers: Customers may import into the Services Personal Data they have collected from the Data Subjects or other individuals. We have no direct relationship with Data Subjects or any individuals other than our Customers. Our Processing of Personal Data is based on the data subject freely given consent and Customers are responsible for making sure they have the necessary permissions for us to Process Personal Data about Data Subjects or other individuals.

5.2. Tracking technologies: in connection with the performance of the Services, MailerCheck uses:

  • Cookies: cookies are tiny files of data that a website transfers to your computer's hard disk for record-keeping purposes. Most web browsers are set to accept cookies, but you can change this in your browser settings. However, if you do not accept cookies, you may not be able to use all of MailerCheck’s functionality. We use cookies to improve your MailerCheck experience and by collecting this data, we can store information so that you don’t have to re-enter it every time you visit MailerCheck. We also use it to monitor visitor metrics to MailerCheck such as page views, time on site, number of visitors, etc.

  • Unique identifiers and similar tracking technologies: we may use other tracking technologies to administer the Services, track your movements around the Services, analyze trends, track behavior, serve targeted advertisements and gather demographic information, to measure the performance of our email campaigns and to improve our features for specific segments of Customers.

5.3. Log Data monitoring: we may collect log data whenever you access our tool. This data could include things like an IP address, browser type and version, the pages you visit on MailerCheck and other user statistics. When you access MailerCheck with a mobile device, log data may include the type of device, your mobile unique ID, the IP address of your device, mobile operating system and other mobile statistics.

5.4. Third-party services: we may use third-party services, such as Google Analytics and Facebook, that collect and analyze log data to help us improve MailerCheck, and occasionally to use for targeted online advertising. Our third-party partners may use cookies or other tracking technologies to provide you advertising on other sites based on your browsing activities and interests. You can find more information about these practices, including how to opt-out of receiving targeted advertising here:

6. Transferring to third-party companies

6.1. We will never sell, rent, or lease your Personal Data to a third party, but we may share collected information for the purposes described in this Privacy Policy with third-parties that help MailerCheck provide, improve, promote or support Services, that help with our business operations and assist in the delivery of our Services, or who performing services for us, in order to prevent damage to our property or for safety reasons, for example, payment processors, hosting services, analytics, content delivery services, advertising partners, etc., in a manner that is consistent with this Privacy Policy. We may also share information with third parties if required to do so by law or if you violate our TOS.

6.2. We may disclose Non-Personal Data for any purpose because this information cannot be used to identify you or another person.

7. Email communications and opting-out

7.1. From time to time you may receive from us emails related to your use of MailerCheck. Based on the Personal Data that you provide us, we may communicate with you in response to your inquiries to provide the Services you request and to manage your account. We may also use your Personal Data to send you updates and other promotional communications. Every email will contain a link to be able to opt-out of receiving it. We may still send important messages regarding administrative matters, updates, disputes, and customer service issues that are required to provide the Services.

7.2. We use MailerLite to manage our subscriber list and to send emails to our Customers and subscribers. MailerLite is a third-party provider, which may collect and process your data using industry-standard technologies to help us monitor and improve our newsletter. MailerLite’s privacy policy is available at

8. Safety of your information

8.1. MailerCheck takes reasonable precautions, technical and organizational security measures to ensure a level of security appropriate to the risk, follows industry best practices in order to protect your Personal Data from any unauthorized or unlawful breach of security that leads to the accidental or unlawful destruction, loss, alteration, unauthorized disclosure of or access to Personal Data and to preserve the security and confidentiality of the data. However, these measures do not guarantee that your information will not be accessed, disclosed, altered or destroyed by breach of such precautions. By using our Service, you acknowledge that you understand and agree to assume these risks.

8.2. The customer is responsible for reviewing the information made available by MailerCheck relating to its data security and making an independent determination as to whether the Services meet Customer’s requirements and legal obligations under Data Protection Laws. Also, the Customer is responsible for its secure use of the Services, including securing its account authentication credentials, protecting the security of Personal Data when in transit to and from the Services and taking any appropriate steps to securely encrypt or backup any Personal Data uploaded to the Services.

9. Protecting data subjects’ lists and data

9.1. We reserve the right to monitor your lists, content and response data from time to time to make sure they comply with our TOS, we will never share, sell or rent your customer data to anyone for any reason.

9.2. Our data storage centers are in European Union and have information storage security certificate (ISO 27001) as well as a certificate of IT service management (ISO 20000) so you can rest assured that your Data Subject data is safe with us.

10. Customers' rights

10.1. You have the following rights regarding your Personal Data:

  • Right to Access. You have the right to request disclosure of the specific pieces of your Personal Data we have collected about you in a portable and, where technically feasible, readily usable format.

  • Right to Know. You have the right to verify if we have collected Personal Data about you and to know the details of it.

  • Right to Deletion. You may request the deletion of your Personal Data in accordance with Clause 11 of this Privacy Policy.

  • Right to Opt-Out. You have the right to opt-out of sharing your Personal Data for cross-context behavioral advertising to third parties. You can exercise this right by visiting our Cookie Settings and disabling functional, performance, and targeting cookies.

  • Right to object to the processing of your personal data. You have the right to object to the processing of your personal data, including profiling.

  • Right to correct your personal data. You have the right to update inaccurate information that we process about you by amending it to your MailerCheck account.

  • Right to exercise rights without discrimination. You have the right not to receive discriminatory treatment if you exercise the rights conferred to you by applicable privacy law.

10.2. Please be aware that these rights may be limited by applicable laws and depend on technical feasibility.

10.3. If you are not able to exercise these rights through your MaileSend account, please contact us via email at [email protected]. We may require additional information or identifying documents from you to verify your identity and process your request. 

10.4. If you are a resident of California and you want to implement your rights under the California Consumer Privacy Act, please refer to Clause 15 of this Privacy Policy.

11. Data retention

11.1. Unless you specifically request that we delete your Personal Data, we will keep it for as long as we need to meet our ToU, give you Services, and maintain the effective operation of our business. In case you request the deletion of your Personal Data, it will be effective within the next 30 days, after this 30-day period the data is deleted permanently and there will be no option for data recovery. If you wish to reverse deletion of the data in the 30-day period, you should contact us directly with such a request.

11.2. If you ask us to delete your Personal Data, we may still be obliged to retain some personal records for the following purposes: (i) to follow the law or rules (like maintaining transaction records), (ii) to deal with legal issues or defend ourselves in legal claims, and (iii) to protect against fraud or abuse on our Service. This implies that different types of Personal Data may be kept for different amounts of time.

11.3. Sometimes, we might not be able to delete, make anonymous, or hide your Personal Data right away because of technical, legal, or operational reasons. In these situations, we will take reasonable measures to securely isolate your Personal Data from any further Processing until we can properly delete, make anonymous, or de-identify it.

12. Links to other websites

As part of the Service, we may provide links to or compatibility with other websites or applications. However, we are not responsible for the privacy practices employed by those websites or the information or content they contain. This Privacy Policy applies solely to information collected by us through the Service. Therefore, this Privacy Policy does not apply to your use of a third-party website accessed by selecting a link via our Service. To the extent that you access or use the Service through or on another website or application, then the privacy policy of that other website or application will apply to your access or use of that site or application. We encourage our users to read the privacy statements of other websites before proceeding to use them.

13. Data Processing Agreement

We created our Data Processing Agreement to cover the GDPR requirements as they relate to email marketing and we encourage all our Customers to review it and sign.

14. Age of consent

By using the Service, you represent that you are at least 18 years of age.

15. Merger or acquisition

In the event we undergo a business transaction such as a merger, acquisition by another company, or sale of all or a portion of our assets, your Personal Data may be among the assets transferred. You acknowledge and consent that such transfers may occur and are permitted by this Privacy Policy, and that any acquirer of our assets may continue to Process your Personal Data as set forth in this Privacy Policy.

16. Changes

MailerCheck reserves the right to change this Privacy Policy at any time. If we decide to change this Privacy Policy, we will post those changes on this page so that you are always aware of what information we collect, how we use it, and under what circumstances we disclose it. All changes are effective immediately upon posting and we suggest that you check this Privacy Policy periodically if you are concerned about how your information is used.

17. Contacting MailerCheck

If you:

  • would like to request access to the information we hold about you, correct, modify, delete or update Personal Data that you have provided to us, or

  • have any questions regarding this Privacy Policy or the practices of this site, wish to withdraw your consent for the continued collection, would like to object to your Personal Data being used, or have any additional questions:

Please contact us at any time via email: [email protected].

MailerCheck, Inc. 
228 Park Ave S
PMB 54955
New York, New York 10003-1502