Contracting operator
- Postscale
- DNScale OÜ, an Estonian company.
- Mailgun
- Sinch Email terms say the applicable entity is identified in the service order. Mailgun Technologies, Inc. is US-based.
A Mailgun alternative built for EU data sovereignty.
Mailgun offers an EU region for message data. Postscale adds an EU contracting operator and makes EU/EEA hosting the default posture for primary production service data.
Operated by an EU companyEU/EEA-hosted primary service dataStandard GDPR DPA and documented subprocessors
The data-sovereignty differences.
Separate the selected message-data region from the company, account, and support layers around it.
Message-data region
- Postscale
- Primary production service data is hosted in the EU/EEA by default.
- Mailgun
- Mailgun lets customers select an EU or US region for message-data processing.
Service boundary
- Postscale
- The primary hosting posture does not depend on selecting a regional domain or API endpoint.
- Mailgun
- Mailgun uses one global account and dashboard. Its terms allow affiliates and subcontractors outside the selected storage jurisdiction.
CLOUD Act consideration
- Postscale
- The operator is an EU company. Disclosed subprocessors and transfer safeguards still belong in your review.
- Mailgun
- If a US Mailgun entity controls the data, US legal process can apply regardless of the selected storage region. Check the entity on your service order.
Verified 11 September 2026.
Postscale DPAMailgun regionsSinch Email termsMailgun privacy18 U.S.C. § 2713
Frequently asked questions
Does Mailgun offer an EU region?+
Yes. Mailgun says customers can choose whether message data is processed in its EU or US region. This is a real residency control and should be credited in the comparison.
Does the Mailgun EU region cover the whole service?+
Not necessarily. Mailgun describes one global account and dashboard, and its terms say affiliates and subcontractors may operate outside the selected storage jurisdiction. Review the exact categories covered by the region.
Which company contracts for Mailgun?+
Sinch Email's terms say the applicable entity appears on the service order. They identify Mailgun Technologies, Inc. as a US entity, so the signed order matters to a jurisdiction assessment.
What does the CLOUD Act mean here?+
The CLOUD Act clarified that a covered US provider must comply with valid US legal process for data in its possession, custody, or control, even when stored abroad. It does not provide automatic access. The selected EU region and the entity controlling the data are separate questions.
Can Postscale replace Mailgun Routes?+
For common product workflows, yes. Postscale receives and parses email, stores messages and attachments, applies inbound rules, forwards aliases, and delivers signed JSON webhooks.
How do I migrate from Mailgun?+
Verify a Postscale domain, replace the API endpoint and key or SMTP credentials, import suppressions, map event webhooks and inbound routes, test the new paths, and then shift production traffic gradually.
Move product email under an EU operator.
Open a Postscale account, verify a domain, and test your sending and inbound workflows.