Privacy Policy

Last updated: February 10, 2026 Back to Legal Hub

Disclaimer: This document should be reviewed by qualified legal counsel before publication. It is drafted based on regulatory research and industry best practices but does not constitute legal advice.

1. Introduction

This Privacy Policy explains how RelayPost, Inc. ("RelayPost," "we," "us") collects, uses, stores, and protects personal data when you use the RelayPost email delivery platform ("Service").

RelayPost operates in two distinct roles:

RoleWhenWhat it means
Data ControllerFor your account data, usage data, and billing dataWe decide what data to collect and how to use it
Data ProcessorFor email content and recipient data you send through our ServiceWe process this data on your behalf, under your instructions

2. Data We Collect as Controller

2.1 Account Data

DataPurposeLawful Basis (GDPR)
NameAccount identificationContract performance
Email addressAuthentication, notificationsContract performance
Password (hashed)AuthenticationContract performance
Email verification statusAccount securityLegitimate interest
2FA statusAccount securityLegitimate interest

2.2 Organization Data

Organization name, slug, member list (user IDs, roles, join dates), invitation records, subscription plan, and rate limits — all for contract performance.

2.3 Authentication and Session Data

Session tokens, IP address, user agent, and active organization ID. Sessions expire after 7 days and refresh daily. All session cookies are httpOnly.

2.4 Billing Data

Invoice records (amount, status, billing period). We do not directly store credit card numbers — payment processing is handled by our payment processor.

2.5 Cookies

CookieTypePurposeDuration
Session cookieStrictly necessaryAuthentication (httpOnly, secure)7 days
CSRF tokenStrictly necessaryCross-site request forgery protectionSession
Active organizationFunctionalRemembering selected organizationSession

We do not use third-party advertising cookies, social media tracking pixels, or analytics cookies from third-party providers.

3. Data We Process as Processor

When you send emails through RelayPost, we process data on your behalf. You are the data controller for this data.

3.1 Email Content and Metadata

Sender address, recipient addresses, subject line, email body, custom headers, message ID, and template references.

3.2 Delivery Event Data

Delivery status, recipient address per event, MX host, SMTP response codes, and event timestamps.

3.3 Suppression Data

Suppressed email addresses with reason (hard bounce, soft bounce, complaint, unsubscribe, manual) and source.

4. How We Use Data

4.1 Controller Data

We use your account data to provide the Service, communicate with you, ensure security, improve the Service, and comply with law.

4.2 Processor Data

We process your email data only to deliver your emails, track delivery, manage suppressions, provide analytics, deliver webhooks, and troubleshoot issues.

We do not read or analyze your email content for advertising, sell or share your email content with third parties, or train machine learning models on your email content.

5. Data Retention

5.1 Email Data (by Plan)

Data TypeFreeStarterPro
Email metadata30 days60 days180 days
Email content30 days60 days180 days
Delivery events30 days60 days180 days

5.2 Account Data

Data TypeRetention
Account dataWhile active + 90 days after deletion
Suppression listsWhile organization is active
Invoices and billing7 years (legal obligation)
Session data7 days (auto-expire)

6. Data Sharing and Third-Party Processors

6.1 Sub-Processors

Sub-ProcessorPurposeLocation
Amazon Web Services (AWS)Infrastructure hosting (EKS, RDS, ElastiCache, S3)US regions
CloudflareDNS, CDN, DDoS protectionGlobal (edge network)

6.2 What We Never Do

  • We do not sell personal data to anyone, ever
  • We do not share data with advertisers or ad networks
  • We do not share your email content with other customers or third parties

7. Data Security

MeasureImplementation
Encryption in transitTLS for all connections (HTTPS, SMTP STARTTLS/implicit TLS)
Encryption at restAWS RDS encryption, S3 server-side encryption
Password hashingArgon2id (account passwords, SMTP credentials)
API key securitySHA-256 hashed; only prefix stored in plaintext
Session securityhttpOnly cookies, CSRF protection, 7-day expiry
Access controlRole-based (owner/admin/member); all queries scoped to organization

8. International Data Transfers

RelayPost infrastructure is hosted on AWS in US regions. For transfers from the EEA, UK, or Switzerland, we rely on Standard Contractual Clauses (SCCs) and supplementary measures including encryption and access controls. See our DPA for details.

9. Your Rights

9.1 GDPR Rights (EEA, UK, Switzerland)

RightHow to Exercise
AccessEmail [email protected]
RectificationUpdate in account settings or email us
ErasureDelete your account or email us
RestrictionEmail [email protected]
PortabilityExport via API or email us
ObjectionEmail [email protected]

Response time: 30 days (extendable by 60 days with notice).

9.2 CCPA Rights (California Residents)

Right to Know, Right to Delete, Right to Correct, Right to Opt-Out of Sale/Sharing (we do not sell or share your data). Email [email protected] with "CCPA Request" in the subject line. Response time: 45 days.

10. Controller vs. Processor Roles

RelayPost as Controller: Your account data, usage data, billing data, cookies. This Privacy Policy governs our use of this data.

RelayPost as Processor: Email content, recipient addresses, delivery events, suppression lists. You are the controller — your recipients should contact you to exercise their rights. Our DPA governs this relationship.

11. Children's Privacy

RelayPost is a B2B service for developers and organizations. We do not knowingly collect personal data from children under 16. Contact [email protected] if you believe a child has provided us with personal data.

12. Changes to This Policy

We will notify you by email at least 30 days before material changes take effect. Continued use after the effective date constitutes acceptance.

13. Contact Us