SMTPDog Privacy Policy

Effective date: October 2026

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1. Introduction

Welcome to SMTPDog. SMTPDog ("the Platform", "we", "us" or "our") operates https://smtpdog.com and related email sending services (collectively, the "Service").

Our Privacy Policy governs your access to and use of https://smtpdog.com and explains how we collect, protect and disclose information arising from your use of our Service.

We use your data to provide and improve the Service. By using the Service, you agree to the collection and use of information in accordance with this Policy. Unless otherwise defined in this Privacy Policy, the terms used in this Privacy Policy have the same meanings as in our Terms of Service.

Our Terms of Service (the "Terms") govern all use of our Service and, together with this Privacy Policy, constitute the entire agreement between you and us (the "Agreement").

2. Definitions

SERVICE: means the https://smtpdog.com website, SMTP relay and API email sending services operated by SMTPDog.

PERSONAL DATA: means data about a living individual who can be identified from that data (or from that data and other information we hold or may hold).

USAGE DATA: means data collected automatically, generated by the use of the Service or from the Service infrastructure itself (for example, the duration of a page visit, API call logs, SMTP connection logs, etc.).

COOKIES: means small text files stored on your device (computer or mobile device).

DATA CONTROLLER: means a natural or legal person who (either alone or jointly with others) determines the purposes and means of the processing of any Personal Data. For the purposes of this Privacy Policy, with respect to your account registration data, we are the "Data Controller" of your data.

DATA PROCESSORS / SERVICE PROVIDERS: means any natural or legal person who processes data on behalf of the Data Controller. We may use the services of various service providers in order to process your data more effectively. In addition, when you send emails through the Service, with respect to the recipient data you provide, you are the Data Controller and SMTPDog is the "Data Processor" that processes and transmits data on your behalf.

DATA SUBJECT: means any living individual who is the subject of Personal Data.

THE USER: means the individual or entity using our Service. The User corresponds to the Data Subject, who is the subject of Personal Data.

3. Information Collection and Use

To provide and improve our Service for you, we collect several different types of information for various purposes.

4. Types of Data Collected

Personal Data

While using our Service, we may ask you to provide us with certain personally identifiable information that can be used to contact or identify you ("Personal Data"). Personally identifiable information may include, but is not limited to:

  • Email address
  • Name or account name
  • Billing address, state/province, postal code, city (for payment and tax compliance)
  • Cookies and Usage Data

We may use your Personal Data to send you service updates, newsletters, marketing or promotional materials and other information that may be of interest to you. You may choose to stop receiving any or all of these marketing communications from us by clicking the unsubscribe link in an email or by emailing support@smtpdog.com.

Usage Data & Transmission Logs

Whenever you visit our Service, or access the Service through a mobile device, the API or an SMTP client, we also collect information that your browser or client sends to us ("Usage Data").

This Usage Data may include: the Internet Protocol address (i.e. IP address) of your computer or server, browser type, browser version, the pages of the Service that you visit, the time and date of your visit, the time spent on those pages, unique device identifiers and other diagnostic data.

In addition, in order to route and deliver emails and to troubleshoot problems, we briefly record the necessary email transmission metadata (including sender address, recipient address, email subject line, bounce codes and the delivery status timeline).

5. Use of Data

SMTPDog uses the collected data for various purposes:

  • to provide and maintain our Service (including processing and delivering your emails);
  • to notify you about changes to our Service;
  • to allow you to use the interactive features of our Service when you choose to do so;
  • to provide customer support and troubleshooting;
  • to gather analysis or valuable information so that we can improve the Service;
  • to monitor the usage of the Service (including preventing spam abuse and maintaining IP reputation);
  • to detect, prevent and address technical and security issues;
  • to fulfill any other purpose for which you provide it;
  • to carry out our obligations and enforce our rights arising from any contracts entered into between you and us, including billing and collection;
  • to provide you with notices about your account and/or subscription, including expiration and renewal notices and quota alerts;
  • to provide you with news, special offers and general information about other goods, services and events which we offer that are similar to those that you have already purchased or enquired about, unless you have opted not to receive such information;
  • to use in any other way we may describe when you provide the information;
  • for any other purpose with your consent.

6. Retention of Data

We will retain your Personal Data only for as long as is necessary for the purposes set out in this Privacy Policy. We will retain and use your Personal Data to the extent necessary to comply with our legal obligations (for example, if we are required to retain your data to comply with applicable laws), resolve disputes, and enforce our legal agreements and policies.

We will also retain Usage Data and delivery logs for internal analysis and troubleshooting purposes. Usage Data is generally retained for a shorter period of time, except when this data is used to strengthen security, prevent fraud and abuse or improve the functionality of our Service, or we are legally obligated to retain this data for longer periods.

7. Transfer of Data

Your information, including Personal Data, may be transferred to — and maintained on — computers and servers located outside of your state, province, country or other governmental jurisdiction, where the data protection laws may differ from those of your jurisdiction.

If you choose to provide information to us, please be aware that we may transfer the data, including Personal Data, to the location of our cloud servers and process it there.

Your consent to this Privacy Policy followed by your submission of such information represents your agreement to that transfer.

SMTPDog will take all steps reasonably necessary to ensure that your data is treated securely and in accordance with this Privacy Policy, and will not transfer your Personal Data to any organization or country unless adequate controls (including the security of your data and other personal information) are in place.

8. Disclosure of Data

We may disclose personal information that we collect, or that you provide, in the following circumstances:

Disclosure for Law Enforcement

Under certain circumstances, we may be required to disclose your Personal Data if required to do so by law or in response to valid requests by public authorities (such as a court or a government agency).

Other Circumstances

We may also disclose your information in the following circumstances:

  • to contractors, infrastructure and third-party service providers we use to support the business of the Platform;
  • to fulfill the purpose for which you provide it (for example, delivering emails through upstream mail relays or recipients' mail servers);
  • to investigate, prevent or take action regarding illegal sending, fraud, cyber attacks or violations of the Terms of Service;
  • in any other circumstances where we have your consent.

9. Security of Data

The security of your data is important to us, but please remember that no method of transmission over the Internet or method of electronic storage is 100% secure. While we strive to use commercially acceptable means (such as TLS-encrypted transmission and access controls) to protect your Personal Data, we cannot guarantee its absolute security.

10. Your Data Protection Rights Under the General Data Protection Regulation (GDPR)

If you are a resident of the European Union (EU) and the European Economic Area (EEA), you have certain data protection rights protected by the GDPR.

We aim to take reasonable steps to allow you to correct, amend, delete or limit the use of your Personal Data. If you wish to be informed about what Personal Data we hold about you and if you want it to be removed from our systems, please email support@smtpdog.com.

In certain circumstances, you have the following data protection rights:

  • The right to access, update or delete: you have the right to access, update or request deletion of the information we hold about you;
  • The right of rectification: you have the right to have your information corrected if it is inaccurate or incomplete;
  • The right to object: you have the right to object to our processing of your Personal Data;
  • The right of restriction: you have the right to request that we restrict the processing of your personal information;
  • The right to data portability: you have the right to be provided with a copy of your Personal Data in a structured, machine-readable and commonly used format;
  • The right to withdraw consent: where we rely on your consent to process your personal information, you also have the right to withdraw your consent at any time.

Please note that we may ask you to verify your identity before responding to such requests. Please also note that we may be unable to provide the Service without some necessary data. You also have the right to complain to your local data protection authority about our collection and use of your Personal Data.

11. Your Data Protection Rights Under the California Online Privacy Protection Act (CalOPPA)

Under CalOPPA, we agree to the following:

  • users can visit our site's home page anonymously;
  • our Privacy Policy link includes the word "Privacy" and can easily be found at the bottom of our website's home page;
  • users will be notified of any privacy policy changes on our Privacy Policy page;
  • users can change their personal information in the control panel or by emailing support@smtpdog.com.

Our Policy on "Do Not Track" Signals

We honor "Do Not Track" signals; when a browser has the "Do Not Track" mechanism enabled, we will not perform cross-site tracking, place advertising cookies or use targeted advertising. You can enable or disable "Do Not Track" by visiting the Preferences or Settings page of your web browser.

12. Your Data Protection Rights Under the California Consumer Privacy Act (CCPA)

If you are a California resident, you have the right to know what data we collect about you, to request deletion of your data and to request that we not sell (share) that data. To exercise your data protection rights, you may make the following specific requests to us:

a) To know what personal information we hold about you

If you make this request, we will tell you:

  • the categories of personal information we have collected about you;
  • the categories of sources from which we collected your personal information;
  • the business or commercial purpose for collecting your personal information;
  • the categories of third parties with whom we share personal information;
  • the specific pieces of personal information we have collected about you.

Please note that you are entitled to ask us to provide this information up to two times in a rolling twelve-month period.

b) To delete your personal information

If you make this request, we will delete the personal information we hold about you as of the date of your request from our records and direct any service providers to do the same. In some cases, deletion may be accomplished through de-identification of the information. If you choose to delete your personal information, you may not be able to use certain features that require your personal information to function.

c) To stop selling your personal information

We will never sell or rent your personal information to any third party for any purpose. You are the sole owner of your personal data and may request its disclosure or deletion at any time.

Under no circumstances will we discriminate against you for exercising the above rights. To exercise the data protection rights above, please email: support@smtpdog.com.

13. Service Providers

We may employ third-party companies and individuals to facilitate our Service ("Service Providers"), provide the Service on our behalf, perform Service-related infrastructure support, or assist us in analyzing how our Service is used.

These third parties have access to your Personal Data only to perform these tasks on our behalf and are obligated not to disclose or use it for any other purpose.

14. Website Analytics

We may use privacy-focused third-party analytics tools (such as self-hosted or hosted lightweight analytics services) to monitor and analyze the use of our website and Service. Such analytics collect only aggregated visit trend data, are intended to optimize website performance and user experience, and are not used for cross-site advertising tracking.

15. Payment Processing

We may provide paid products and/or services within the Service. In that case, we use secure third-party payment service providers to process payment transactions (for example Stripe, Lemon Squeezy, Paddle or other compliant payment gateways).

We do not store or collect your full bank card or credit card details on our own servers. This information is provided directly to our third-party payment processors, whose use of your personal information is governed by their respective privacy policies. These payment processors adhere to the PCI-DSS standards managed by the PCI Security Standards Council (jointly established by brands such as Visa, Mastercard and American Express) to ensure the secure handling of payment information.

16. Links to Other Websites

Our Service may contain links to other websites that are not operated by us. If you click a third-party link, you will be directed to that third party's website. We strongly advise you to review the Privacy Policy of every website you visit.

We have no control over, and assume no responsibility for, the content, privacy policies or practices of any third-party websites or services.

17. Children's Privacy

Our Service is not directed to anyone under the age of 18 ("Minors" or "Children").

We do not knowingly collect personally identifiable information from anyone under the age of 18. If you become aware that a Minor has provided us with Personal Data, please contact us immediately. If we discover that we have collected the Personal Data of a Minor without verification of parental consent, we will take steps to remove that information from our servers.

18. Changes to This Privacy Policy

We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page.

Before the changes take effect, we will notify you by email and/or through a prominent notice on the Service, and update the "effective date" at the top of this Privacy Policy.

You are advised to review this Privacy Policy periodically for any changes. Changes to this Privacy Policy are effective when they are posted on this page.

19. Contact Us

If you have any questions about this Privacy Policy, please contact us:

  • Email: support@smtpdog.com