Email is the only acquisition channel where you keep the asset. Search rankings move, ad accounts get suspended, social reach is rationed. The list stays. That is why the money in this channel sits in unglamorous places, and why most proposals you receive will be about the glamorous ones instead.
Deliverability is a technical problem wearing a marketing costume
The first question is never what to write, it is whether the message arrives. Mailbox providers decide that from signals you control: whether the sending domain publishes SPF, DKIM and DMARC records, whether unsubscribing takes one click as RFC 8058 describes, whether complaint rates stay under the threshold Google publishes for bulk senders, and whether your sending volume looks like a business or like a burst.
None of that appears in a creative proposal, and all of it decides the outcome. A beautifully written campaign on an unauthenticated domain reaches fewer people than a plain one on a properly configured domain. When an agency opens with templates and subject lines, ask what the DMARC policy is currently set to. The answer tells you a lot.
The list you cannot prove consent for is a liability, not an asset
Under the GDPR the burden of proof sits on whoever sends, which changes the question entirely. It is not whether these people once agreed, it is whether you can demonstrate it for a given address on a given date. A file bought from a broker does not move that risk onto the broker.
There is a commercial argument on top of the legal one. Sending to addresses that never asked produces complaints, and complaints follow your domain into every future campaign, including the ones to people who did ask. Cleaning a list feels like deleting value. It is usually the single change that makes the rest work.
Flows earn while nobody is working, campaigns only earn when someone sends
The practical difference between a newsletter and a programme is automation. A welcome sequence, an onboarding series, an abandoned cart, a post-purchase follow-up and a win-back run continuously against people at the moment they are most likely to act, without anyone touching a keyboard.
That is also why the reporting has to separate them. Attributing revenue per flow and per campaign shows which parts of the programme compound and which parts depend on somebody remembering to send. Most teams discover the split is nothing like they assumed, and that the boring lifecycle sequence outperforms the monthly newsletter everyone spends the time arguing about.
Open rate is the metric everyone quotes and nobody should decide on
Privacy features that pre-fetch images register opens that no human performed. The number still moves, it just no longer measures attention, and it moves differently depending on which mail clients your particular list uses. Two programmes with identical performance can show open rates a long way apart for reasons that have nothing to do with either.
We still report it, with the caveat attached, because it is useful as a relative trend on a stable audience. The decisions get anchored elsewhere: clicks, revenue attributed per flow, complaint rate and unsubscribe rate. Those are harder to inflate, and they are the ones that change when the work is actually working.
Accessibility applies to email too, and it is also just better email
The same standard that governs your website reaches your campaigns: real text instead of an image of text, sufficient contrast, a sensible heading structure, descriptive link text rather than click here, and a plain-text alternative that actually says something.
The compliance argument matters, and there is a plainer one. An email built as one large image shows nothing when images are blocked, which is the default in several corporate mail clients. Making a campaign accessible mostly means making it robust, and robust campaigns reach more of the list you already paid to build.
Two people, one office in Dijon, and everything in writing
We are two founders. Robin Monteiro handles the technical side, from authentication and DNS to platform integration and reporting. Florian Loppion handles marketing and acquisition. There is no account manager translating your request into a ticket and the answer back into an email: you write to the people doing the work.
Everything happens in writing, with a reply within 24 business hours. No calls, no video, no scheduled slots, not even as an option. Clients outside France tend to find that the best part rather than the strangest: nobody holds an evening slot open, and nine months later the reason a suppression rule exists is a thread you can search rather than a conversation nobody wrote up. Pricing is on request, and the list, the templates and the platform account are yours throughout.