EU Sovereignty Score
Self-hosted / open sourceBusiness Email & GroupwareHeadquarters: FR

imapsync: sovereignty score and 8 European alternatives

imapsync is a command-line tool that copies IMAP mailboxes from one server to another, incrementally and recursively, to migrate or back up accounts. You can stop a transfer at any time and resume it later without creating duplicates. The tool runs on Windows, Linux and macOS and is used by administrators when moving between mail providers or mail servers. imapsync does not migrate contacts or calendars, and it is not meant for two-way synchronisation.

The tool is developed and maintained by an independent developer in France. The source code is on GitHub under the NO LIMIT PUBLIC LICENSE, which permits any use but is not an OSI-approved licence. If you run imapsync yourself, mail data flows between your servers and your own machine rather than through the developer. The developer also operates an online imapsync service and sells paid builds with support; the hosting location of that online service is not stated. The latest release published on the site is 2.314 from September 2025.

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Sovereignty score
71 / 1000 = high exposure
100 = sovereign
  • Jurisdiction SOV-2100
    Headquartered in the EU: European law applies
  • Data residency SOV-3100
    EU-only hosting
  • Cryptographic key sovereignty SOV-360
    Key management with a European vendor
  • Freedom from lock-in SOV-640
    Closed source: switching requires data migration
  • Source & runtime sovereignty SOV-4 · SOV-655
    Closed source, runtime with the vendor

SOV codes: the matching objective in the European Commission's Cloud Sovereignty Framework. Official source

How the score is calculated

Facts and evidence

Last checked October 14, 2026
Headquarters
FR (EU)Verified by hand
Sovereignty model
Open-source, distributedVerified by hand
Data hosting
EUVerified by hand
Open-source
NoVerified by hand
GDPR-compliant
YesVendor-stated
Category
Business Email & Groupware
Type
Product
Website
imapsync.lamiral.info ↗

How we verify · Something wrong? Suggest a correction

Top EU-based & GDPR-compliant alternatives to imapsync

The European alternatives to imapsync come from our knowledge base of over 8,400 vendors. We only list vendors headquartered in the EU or the EEA; fully European-owned vendors rank before vendors with a foreign owner. For each alternative you see the country, the open-source status and a short description.

Score per alternative: 0 = high exposure, 100 = sovereign

39 European Business Email & Groupware vendors are in the catalogue. View the whole category · Submit an alternative · View category on the map

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Why digital sovereignty matters with imapsync

imapsync is headquartered in FR and therefore falls under European law: the GDPR, NIS2 and the Data Act. No foreign legislation can compel access to your data.

Data is hosted exclusively in the EU, so imapsync scores best on data residency.

imapsync is closed source and hosted by the vendor. The encryption keys and the runtime sit with the vendor and switching requires data migration. Ask about bring-your-own-key, export options and open standards.

What this means for your organisation depends on your whole stack and context. The free assessment weighs imapsync together with your other vendors and gives a total score, a heatmap and the main risk drivers.

Frequently asked questions

What is the best European alternative to imapsync?

It depends on your use case. Strong EU alternatives to imapsync include AgentJ, audriga and Axigen. On this page you can compare 8 EU alternatives by jurisdiction, data residency and open-source status.

Are there open-source alternatives to imapsync?

Yes. Open-source EU alternatives to imapsync include AgentJ, Benno MailArchiv and CipherMail. These keep your data fully under your own control and let you self-host if you want to.

Is imapsync GDPR-compliant and where is the data hosted?

imapsync is headquartered in FR (EU) and hosts data in EU. That makes imapsync an EU-sovereign choice in its own right; the EU alternatives on this page are comparable European tools.

Details and sources

Verified by handHeadquarters, owner, hosting locations and licence have been checked by us against public sources. Free of charge and for every vendor, not a paid label. Nothing in this knowledge base is taken over automatically. Last checked on October 14, 2026.

Sources

Public sources used in the latest check of this record.

Compliance evidence

The links below point to the vendor's own public documents. We only record what we found: a missing link means "not found publicly", not "not compliant".

No public compliance evidence has been recorded for this vendor yet. Do you know its DPA or subprocessor list? Something wrong? Suggest a correction

In the changelog

Earlier changes to this page, as listed in the public changelog.

Digital sovereignty in Business Email & Groupware

Business Email & Groupware: Business email servers, groupware, calendar and contact management. In this category the choice of vendor determines who has legal access to your data, where that data lives and how easily you can switch later.

Also in this category

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8 European alternatives to imapsync — GDPR-compliant & EU-hosted · EU Sovereignty Score