Described, not named — and honest about why
The customers on this infrastructure are disproportionately the kind who chose a discreet EU-sovereign operator precisely so their sending arrangements aren't advertised. So these cases are described by industry, scale and problem rather than by company name, with metrics representative of real outcomes — and where it makes a cleaner illustration, a scenario combines details from more than one customer of a similar shape. We'd rather tell you that openly than dress up a composite as a single named logo.
Why these are described, not named
A note before the cases, because honesty about it is the point. The customers on this infrastructure are disproportionately the kind who chose an EU-sovereign, discreet operator precisely because they don't want their sending arrangements advertised — regulated firms, financial services, agencies running mail for clients who'd rather not be discussed. Naming them in a marketing case study would contradict the reason they're here. So the scenarios below are described by industry, scale and problem rather than by company name, and where it makes a cleaner illustration, a scenario combines details from more than one customer with a similar shape. The metrics are representative of real outcomes on this platform, not invented to impress. We'd rather tell you that openly than dress up a composite as a single named logo, because a buyer who's paying attention can tell the difference.
If you need a named reference before committing — many procurement processes reasonably require one — the operator team can arrange a direct conversation with an existing customer in a comparable situation, under whatever confidentiality both sides are comfortable with. That's a more honest reference than a polished quote you can't verify.
A fintech leaving a US provider before DORA bit
The situation. A mid-sized European payments company sending transactional mail — payment confirmations, security alerts, statement notifications — through a large US email API. Volume in the low millions per month, every message carrying regulated financial information to customers who are the most lucrative phishing target in the digital economy. The compliance team flagged the arrangement ahead of DORA's operational-resilience requirements taking full effect: a US-owned processor in the data path, an SLA whose credits were a token fraction of the real cost of an outage, and no contractual control over where the mail was actually handled.
What changed. Migration to dedicated infrastructure with EU-only routing — Stockholm and Frankfurt — and a Data Processing Agreement that named the sub-processors and the jurisdiction explicitly. Authentication was carried forward intact; the dedicated IPs were warmed over four weeks while critical traffic ran dual-send across both providers so a password reset never depended on the cutover going perfectly. The ICT-incident reporting workflow was structured to match what DORA Article 19 actually expects rather than what a generic status page provides.
The outcome. The international-transfer paperwork disappeared, because there were no longer any international transfers to paper over. Inbox placement on the transactional stream measured in the high nineties after warming, against a noticeably lower figure on the shared-pool arrangement they'd left. The compliance team's actual win wasn't a metric — it was being able to answer "where is this data and who touches it" with a one-line answer their auditor accepted.
An agency whose clients' reputations kept colliding
The situation. A marketing agency running email for a few dozen end clients, all on a single shared-IP plan at a mainstream provider because that's what the plan offered. The recurring problem was predictable in hindsight: one client's aggressive campaign or one bad list would dent the shared reputation, and suddenly a different client's well-behaved newsletter was landing in spam through no fault of its own. Support tickets to the provider produced sympathy and no fix, because the architecture itself was the cause.
Why this operator. The decisive factor was per-stream isolation under one account — the ability to give each client, or each class of traffic, its own virtual MTA with independent reputation and queues, without standing up a separate account and contract for every one. The agency also wanted a human who'd pick up when a client's send went sideways, rather than a ticket queue.
What changed and the outcome. Clients were separated onto isolated streams, the noisiest senders given their own dedicated IPs so their behaviour could only damage themselves. The cross-contamination stopped being possible by design rather than by policing. The agency's support load to its own clients dropped, because the category of incident that generated most of it — "why is my mail in spam, I didn't change anything" — largely went away. The operator relationship became, in their words, the boring kind, which for infrastructure is the highest compliment.
The shape of a good fit
The cases here share a pattern: a sender for whom email carries something that matters — money, regulated data, a client's reputation — who'd outgrown the assumptions of a shared, US-default, dashboard-first provider. If that's the shape of your situation, the fastest way to know whether it's a fit is to describe it to the operator team, who will tell you honestly if it isn't.
A healthcare sender who needed the data to never leave the EU
The situation. A health-sector organisation sending appointment reminders, results notifications and account messages — email touching special-category personal data under GDPR Article 9, the most tightly regulated kind. Their existing setup technically worked, but the data path ran through infrastructure they couldn't fully account for to a data-protection officer who, correctly, wanted a complete and short answer to where the data lived.
What changed. EU-only routing with a German data-centre option, TLS enforced in transit through MTA-STS in enforce mode rather than opportunistic STARTTLS, and DANE/TLSA records published for the DNSSEC-enabled correspondents common in the German healthcare network. The DPA was written to satisfy a German DSB's specific expectations rather than a generic GDPR template.
The outcome. The data-protection officer got the short, complete answer. Transport encryption moved from "offered and hopefully used" to "enforced and verifiable," which mattered specifically because the downgrade-attack exposure on opportunistic STARTTLS is exactly the kind of detail a security audit in this sector probes. The reminders kept arriving, which from the patient's side is the only outcome that's visible — and the point.
What these cases don't claim
None of these is a story about a dramatic turnaround from disaster, because that's rarely how infrastructure actually goes for the kind of sender that ends up here. The honest pattern is quieter: a competent team that had outgrown a provider's assumptions, made a considered move, and got back to not thinking about their email infrastructure — which is what good infrastructure earns you. There's no claim here that every migration is frictionless; a new IP starts cold and warming takes the weeks it takes, and we say so during the planning rather than after. The cases are representative of typical outcomes, not the single most flattering one we could find, and they're described rather than named for the reason stated at the top: the customers who fit this platform are usually the ones with the most reason to stay out of a marketing page.
If your situation looks like one of these
The three scenarios cover the patterns we see most — a regulated firm leaving a US default ahead of a compliance deadline, an agency fighting shared-reputation collisions, a sender of sensitive data needing a defensible data path. If yours rhymes with one of them, the useful next step isn't reading a fourth case; it's a direct conversation about your specific sending profile, volumes and constraints. The operator team will tell you plainly whether this is a fit, and if it isn't, usually where to look instead.