Subprocessor Disclosure

Last updated: 12 September 2026

Barrzen Mail uses the following subprocessors to deliver the Service. Each is authorized under GDPR Article 28 and bound to terms no less protective than our DPA. Locations reflect current configuration; we update this list with at least 30 days' notice before adding or replacing a subprocessor.

SubprocessorPurposeLocation
OVHcloudKubernetes compute (k3s), VPS nodes, local NVMe, optional block storageEU region
BackblazeB2 object storage for mail blobs and metadata archivesEU/US (configurable)
SMTP2GOOutbound relay for transactional and promotional mailEU/US (configurable)
PolarMerchant of Record billing, subscriptions, tax handlingEU/US
Google LLCGoogle Analytics 4 (website analytics only after opt-in)US/EU
CloudflareLoad Balancing (optional HA ingress only; not enabled at launch)Global edge

To subscribe to subprocessor change notifications, contact support@barrzen.com.