Postscale The European alternative to SendGrid

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Transactional email API from Estonia with EU-hosted services

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Estonia E-Mail & Messaging instead of SendGrid

About Postscale

Postscale is an email API for transactional sending, inbound parsing and masked addresses under one key. According to the provider, primary service data is hosted in the EU. Unlike SendGrid, the operator is subject to Estonian and European law.

Highlights

  • Transactional sending with real-time webhooks
  • Inbound parsing with routing rules and DMARC reports
  • Masked email addresses with reply function
  • SDKs for Node.js, Python, Ruby and PHP
  • Suppressions, retries, templates and dedicated IPs

Why European?

  • Estonian OÜ under EU law and GDPR
  • Primary service data hosted in the EU (Hetzner Germany, OVHcloud)
  • Standard GDPR DPA and published subprocessor list
  • Import of SendGrid suppression lists for migration

Pricing

Free (1,000 emails/month) · Starter EUR 9/month · Plus EUR 29/month · Pro EUR 79/month · Scale EUR 329/month (plus VAT).

Frequently asked questions about Postscale

What is Postscale and what is it used for? +

Postscale is an email API operated by DNScale OÜ, based in Tallinn, Estonia, the makers of DNScale. Applications use it to send transactional emails such as confirmations or notifications and to receive incoming messages for further processing. In addition, the service offers masked addresses that forward to users’ real addresses. It targets developers looking for an EU-hosted alternative to large US delivery services.

Does Postscale run on European infrastructure? +

According to the provider, primary service data is hosted in the EU and EEA, via Hetzner in Germany for the API, database and SMTP, and OVHcloud for object storage. For the edge layer and payment processing, US providers such as Vultr and Stripe are used and are listed in the subprocessor list. The operator is an Estonian OÜ and provides a standard GDPR DPA. A fully US-free operation is therefore not claimed.

What are masked addresses in Postscale? +

Masked addresses are unique email aliases that forward to a user’s real address while hiding their actual address. Replies can be sent back through the alias without revealing the original address. In Postscale this feature is integrated into the same API and quotas as transactional sending. It is suited to protecting the privacy of end users in applications.

Try Postscale

Transactional email API from Estonia with EU-hosted services

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Entry verified on 16.07.2026