GDPR and Password Reset Emails: Keep Security Templates In-House, Delegate Only Transport
The article argues that GDPR-compliant password reset emails should keep the security-sensitive template and recipient data handling inside the Node.js application, while an email provider handles transport, suppression, and delivery telemetry. Provider-owned templates are acceptable for support report attachments only if the support team can edit layouts without a deployment, the report avoids unnecessary personal data, and regeneration is controlled. The author stresses that choosing an email API does not transfer GDPR obligations such as lawful purpose, data minimization, access controls, and retention policy. A key cost driver is retention, since rendered HTML, attachments, delivery events, and audit records can persist far beyond the case that created them. The recommended approach is to avoid storing rendered copies by default, keep only minimal delivery metadata, and scrub reset tokens, full addresses, and report bodies from event logs.
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