whats-best.ai

Email Marketing & Newsletter

Mailjet

EU origin, foreign-owned Report an error

Panel rating · 6 judges · How to read the stars

Category median

Sovereignty: 1 of 4 dimensions proven

0–5 in half steps. 5 means the rubric's top anchor is met on the evidence.

by Mailjet SAS · www.mailjet.com

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Read this page as one judge. Each weighs the same scores by what they care about.

The Data Protection Officer

Weighted verdict

Signs off the tool that holds named people and records what each of them opened. Wants double opt-in with a proof that survives a complaint, tracking that can be switched off, and an answer to where the behavioural data lives that does not require a Schrems II argument.

Same scores as the panel view — this lens weights them the way this judge cares.

Scored by The Data Protection Officer

Campaigns & automation

How this is scored

Building the mail and the journey around it: editor, templates, segmentation, triggered sequences, A/B testing.

0 — One-off broadcasts from a fixed template; no segmentation and no automation of any kind.

3 — A drag-and-drop editor and simple list segmentation, but automation is a single welcome mail and there is no testing.

5 — Reusable templates, attribute and behaviour segmentation, multi-step automations on common triggers, and subject-line A/B testing.

8 — A visual journey builder with branching on behaviour and data, dynamic content per segment, send-time optimisation, and testing that reports significance rather than raw counts.

10 — Journeys treat the whole lifecycle: event-driven entry from other systems, branching on any attribute or event, holdout groups for measurement, and automations a marketer can read months later without a diagram.

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The Data Protection Officer

A visual builder with Event, Timer, Action and Condition blocks branches on customer behaviour, backed by a template library, subject and content A/B testing, dynamic-value personalisation and segmentation — most of the way to the top of the range. We found no public information on send-time optimisation or on testing that reports significance rather than raw counts. 2 5 6 11

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Deliverability infrastructure

How this is scored

Whether the mail arrives — authentication, sending reputation, bounce and complaint handling — judged on what the vendor documents rather than the inbox rate it advertises.

0 — No documentation of authentication or bounce handling; deliverability appears only as a marketing number.

3 — SPF and DKIM setup documented, but no DMARC guidance, no stated bounce policy and shared sending only.

5 — SPF, DKIM and DMARC documented with a custom sending domain, automatic hard-bounce suppression, and complaint-loop handling stated.

8 — The above plus dedicated-IP options with a documented warm-up, seed or inbox-placement testing, engagement-based sunsetting, and published guidance on list hygiene.

10 — Deliverability is operated as a service: reputation monitoring surfaced to the customer, per-domain and per-ISP diagnostics, enforced authentication before first send, and postmaster or blocklist handling the vendor documents doing on the customer's behalf.

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The Data Protection Officer

SPF and DKIM setup is documented step by step, dedicated IPs come with a customised warm-up plan, support teams and technical account managers are documented to monitor reputation and resolve blocklist issues, and automatic spam list removal is stated. We found no public information on DMARC guidance, automatic hard-bounce suppression, seed or inbox-placement testing, or engagement-based sunsetting. 4 7 8 13

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List ownership, import & exit

How this is scored

Whether the list and its history remain the sender's: import with attributes intact, full export including engagement history, deletion that executes, and no metering that prices leaving out of reach.

0 — Export is addresses only; engagement history, segments and automations cannot leave.

3 — CSV import and export of subscriber fields, but engagement history and unsubscribe state are not exportable.

5 — Full subscriber export including custom attributes, subscription status and unsubscribe state, plus API access sufficient to sync elsewhere.

8 — Everything exportable in open formats — subscribers, engagement history, campaigns and templates — with documented deletion of a subscriber across all records, and no export throttling.

10 — Exit is a documented feature: full-fidelity export of the whole account, contractual data return, deletion that is evidenced rather than asserted, and migration tooling in both directions.

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The Data Protection Officer

Import takes CSV, TXT and XLS with automatic error screening and duplicate filtering, contacts can be deleted in bulk, and contact properties can be updated via API or periodic imports. We found no public information on export of engagement history or unsubscribe state, on full-fidelity account export, or on migration tooling in either direction — for a sender whose subscriber history must remain theirs, that silence weighs. 5 11 12

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Integrations & API

How this is scored

The connection surface a newsletter lives on: shop and CRM systems, events in and out, webhooks, and an API somebody can build against without a partner agreement.

0 — No API and no named integrations; the list is maintained by CSV upload.

3 — A handful of native integrations and a read-mostly API, with no webhooks and no documented rate limits.

5 — Named integrations for common shop and CRM systems, a documented REST API with keys, and webhooks for the core subscriber events.

8 — Maintained bidirectional integrations with named systems including at least one major shop platform, event webhooks with retries, documented rate limits, and a sandbox.

10 — The tool is a component rather than a destination: transactional and marketing sending on one API, events flowing both directions, versioned API with a deprecation policy, and integrations the vendor maintains rather than lists.

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The Data Protection Officer

One REST API and SMTP relay carry both marketing and transactional sending, libraries exist for PHP, Ruby, Python, C#, Java and Node.js, webhooks are configurable per event type through the UI or a single API call, events push into external queuing systems, and a sandbox mode is documented. The captured pages count over one hundred integrations without naming any shop or CRM system, and we found no public information on webhook retries, documented rate limits or an API deprecation policy. 1 2 13 14

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European sovereignty

How this is scored

Where subscriber data and behavioural tracking live, who the contracting entity is, and which subprocessors touch the send. Independently sourced by the sovereignty pipeline; scored here as this buyer weighs it — which in this category is heavily.

0 — US vendor and contracting entity, US hosting, subprocessors unnamed; subscriber behaviour leaves the EU with no stated basis.

3 — EU hosting offered as an option or for storage only, while sending, tracking or support access remains non-EU, or the subprocessor list is absent.

5 — EU hosting as standard and an EU contracting entity, but parts of the chain — sending infrastructure, analytics, support tooling — are non-EU without an explained safeguard.

8 — EU or DACH hosting with a named data-centre provider, EU contracting entity, complete subprocessor list published, and any non-EU processing named with its legal basis.

10 — Sovereign end to end and evidenced: vendor, entity, hosting, sending and every subprocessor in the EU, certification published, and no transfer that needs a Schrems II argument to survive.

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The Data Protection Officer

The captured pages give different figures for where data lives: the privacy notice offers a selectable United States or Europe region with no stated default, while the security page claims storage exclusively within the European Union. Hosting runs with US-headquartered providers (Google Cloud Platform, AWS, MacStadium, Rackspace), transfers out of the EEA rest on standard contractual clauses and the data privacy framework, and a US-based group company is certified under that framework — the answer on where behavioural data lives requires exactly the transfer argument I want to avoid. The subprocessor list is published and a group data protection officer is named, but the contracting entity behind the notice is the Swedish-listed parent and its jurisdiction is not confirmed on the vendor's own pages. 3 4

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Pricing transparency not rated — the vendor publishes no price

How this is scored

Whether a sender can compute the real invoice for their list size and send volume — including overage, extra domains and automation limits — from public pages alone.

0 — No public prices at all; every tier is a sales conversation.

3 — A headline price per contact tier exists, but send limits, overage rates or the tier where automation begins are not stated.

5 — Contact-tier prices public with the billing period stated and send limits given, but at least one commonly needed capability sits in an unpriced tier or add-on.

8 — Every tier priced publicly with contact and volume limits, overage rates, feature boundaries and VAT treatment stated; only genuinely custom volume lacks a number.

10 — Complete price computability: a calculator producing the annual invoice for a given list size and send frequency, including overage, additional domains and dedicated IPs.

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The Data Protection Officer

The captured pages describe the model — volume-based on emails sent per month rather than list size, unlimited contacts on the Essential and Premium plans, a free trial without credit card, no setup fees, cancel anytime, and dedicated IPs restricted to Premium and Custom — but no price figure appears in what was captured. We found no public information on tier prices, send limits, overage rates or VAT treatment, so a sender cannot compute a real invoice from these pages. 8 13

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European sovereignty — proven facts

1 of 4 dimensions proven

Built only from facts shown on the vendor's own pages. A dimension we could not prove is left open, not scored as zero.

Ownership Publicly listed ⚠ unverified 1/2 pts 3 Report an error
Data residency Not determined ⚠ unverified — uncited Report an error
Subprocessors Not determined ⚠ unverified — uncited Report an error

Where this could be wrong

What we left out

A claim that does not survive our checks costs us the claim, not the page. This is what was taken off this one.

Sources (14)

The pages every claim on this page was read from — each one checked, dated, and kept verifiable.

  1. 1 Vendor homepage www.mailjet.de Checked 5 Oct 2026 +1 earlier capture: 30 Aug 2026 Details →
  2. 2 Pricing www.mailjet.de Checked 5 Oct 2026 +1 earlier capture: 30 Aug 2026 Details →
  3. 3 Privacy policy www.mailjet.com Checked 5 Oct 2026 +1 earlier capture: 15 Sep 2026 Details →
  4. 4 Privacy policy www.mailjet.com Checked 5 Oct 2026 Details →
  5. 5 Campaigns & automation — found from sitemap www.mailjet.com Checked 5 Oct 2026 Details →
  6. 6 Campaigns & automation — found from sitemap www.mailjet.com Checked 5 Oct 2026 Details →
  7. 7 Deliverability infrastructure — found from sitemap www.mailjet.com Checked 5 Oct 2026 Details →
  8. 8 Deliverability infrastructure — found from sitemap www.mailjet.com Checked 5 Oct 2026 Details →
  9. 9 Consent, proof & tracking limits — found from sitemap www.mailjet.com Checked 5 Oct 2026 Details →
  10. 10 Consent, proof & tracking limits — found from sitemap www.mailjet.com Checked 5 Oct 2026 Details →
  11. 11 List ownership, import & exit — found from sitemap www.mailjet.com Checked 5 Oct 2026 Details →
  12. 12 List ownership, import & exit — found from sitemap www.mailjet.com Checked 5 Oct 2026 Details →
  13. 13 Integrations & API — found from sitemap www.mailjet.com Checked 5 Oct 2026 Details →
  14. 14 Integrations & API — found from sitemap www.mailjet.com Checked 5 Oct 2026 Details →