Resend wins the first afternoon. This is for the third year.

No, and it would be dishonest to claim otherwise. Resend has the best developer experience in transactional email — React Email lets you write templates as JSX components, the SDK is clean, there is no sandbox mode, and you can be sending in about fifteen minutes. If developer experience and time-to-first-email are what you are optimizing for, Resend is the right tool and this page is not trying to talk you out of it. EDP competes on a different axis entirely: what runs underneath the API, where it runs, and what it costs over years rather than the first afternoon.

Resend is, at least in significant part, a developer-experience and managed-deliverability layer on top of Amazon SES rather than its own sending infrastructure. It adds real value over raw SES — the modern API, React Email, webhooks, bounce and suppression handling — but the engine moving your mail is Amazon's, and you cannot bring your own IP or move off that foundation. EDP runs its own dedicated PowerMTA and KumoMTA, the engines professional senders operate directly. The difference does not matter much at demo scale; it matters a great deal when email is production infrastructure and you want to control and own the layer your reputation lives on.

Because it speaks to the next few years rather than the current month alone. In October 2024 Resend restructured its Scale tier and doubled several published prices — the 200,000-emails-a-month tier went from $80 to $160 overnight, with some existing customers grandfathered and new signups paying the new rate. Resend is venture-funded, and venture funding eventually asks for revenue growth, which is the same pressure that has moved prices across this market. None of that makes Resend a bad product; it makes its pricing a moving target, and EDP's own-infrastructure model exists partly so that the price you plan around is the price that stays.

Resend is a US company, and running underneath on AWS means the data path sits within US-controlled infrastructure regardless of region settings — the same CLOUD Act exposure that an EU region of any US provider carries. For teams where data jurisdiction is a compliance requirement rather than a preference, that is structural and not something configuration resolves. EDP operates as an EU entity on its own infrastructure, which removes the third-country transfer rather than documenting around it. If sovereignty is on your checklist, it is the clearest line between the two.

When email has crossed from a feature you ship into infrastructure you depend on. The concrete signals: volume climbing past the point where Scale-tier pricing stings, a need for dedicated IPs and reputation control that a thin layer over shared infrastructure does not give you, a compliance or procurement requirement for EU data jurisdiction, or simply the realization that your sending now matters enough to want it on infrastructure you control. Below those, Resend's developer experience is usually worth more than what a move would buy. The honest trigger is the word production: when the email stops being a convenience and starts being load-bearing.

Less disruptive than it sounds, because the parts worth worrying about mostly stay. React Email templates are portable — an open-source library rather than a Resend lock-in — so the template code comes with you. The integration change is swapping one API and SMTP endpoint for another, with authentication re-pointed to your dedicated setup. The genuine work is operational rather than code: warming dedicated IPs and establishing reputation on infrastructure that is now yours, which is precisely the part EDP operates for you. A typical move runs as a staged cutover — dual-send a slice of traffic, watch placement, then shift fully — rather than a risky overnight switch.

You will trade some of it, and that trade should be deliberate. React Email is an open-source project you can keep using to author templates regardless of who sends them, so the templating itself need not be lost. What changes is the end-to-end polish Resend built around its API — the thing it does best. EDP's integration is a standard API and SMTP relay, professional and well-documented but not engineered to be the smoothest fifteen-minute onboarding in the market, because EDP optimizes for the infrastructure underneath rather than the first afternoon. If that polish is your highest priority, weigh the move carefully; if owning the infrastructure matters more now, the trade favors EDP.