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Is Postmark EU-sovereign?

No. Postmark is operated from the United States, outside the EU, so staysin.eu classifies it as non-EU.

Non-EU United States Classified 2026-10-21

Curator's note

Owned by ActiveCampaign.

How staysin.eu classifies Postmark

A provider counts as EU only when all three criteria hold:

  1. Country: the operating company is based in the EU. Postmark is operated from the United States (outside the EU).
  2. Holding: no non-EU parent or holding company.
  3. Own infrastructure: it runs its own stack rather than reselling a non-EU service.

Where a server physically sits is shown on each check but does not change the verdict: legal reach follows who controls the processing, not where the bytes are. Read the methodology.

How often staysin.eu sees Postmark

Seen on 35 of 10871 checked domains (latest check per domain, as of 25 October 2026): as mail (MX) on 5, as mail sending (SPF) on 30.

Domains are those people chose to check on staysin.eu, not a representative sample of the web.

Recently checked domains using Postmark:

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