Brevo vs Mailgun
Brevo and Mailgun are both email platforms with official MCP servers, but they sit on different sides of the email world — Brevo as a marketing-and-CRM platform built around campaigns and contacts, and Mailgun as a developer-centric email API focused on sending and deliverability — which makes the comparison useful for picking the right one to wire into an agent. Brevo MCP exposes the Brevo marketing and CRM platform over a hosted remote endpoint, with tools generated from its OpenAPI spec and grouped into capability areas: contacts, lists, segments, attributes, email and SMS campaigns, transactional and regular templates, senders, domains, IPs, and even WhatsApp campaigns — so an agent can manage audiences and run multi-channel campaigns conversationally. Mailgun MCP is Mailgun's official open-source server giving an agent a workflow-oriented interface to the email API: send and resend messages, manage domains and DNS verification, configure tracking and webhooks, work with dedicated IPs and pools, pull per-tag stats and analytics, and manage suppression lists (bounces, unsubscribes, complaints, allowlists). So Brevo leans audience-and-campaign, Mailgun leans send-and-deliverability. Here is the comparison.
How they compare
| Dimension | Brevo | Mailgun |
|---|---|---|
| Platform type | Marketing + CRM platform — campaigns, contacts, segments, and multi-channel (email, SMS, WhatsApp). | Developer email API — transactional sending and deliverability operations. |
| Headline capability | Manage contacts/lists/segments and run email, SMS, and WhatsApp campaigns, plus templates and CRM deals. | Send and resend messages, then inspect and tune deliverability — domains, DNS, tracking, IPs, and analytics. |
| Deliverability tooling | Senders, domains, and IPs are managed, but the focus is campaign delivery rather than granular deliverability ops. | Deep deliverability — domain DNS verification, dedicated IPs/pools, per-tag stats, suppression lists, and inbound routes. |
| Channels | Multi-channel: email campaigns, SMS campaigns, and WhatsApp campaigns/management in one server. | Email-centric, oriented around the message lifecycle and analytics rather than other channels. |
| Best-fit task | Marketers who want an agent to manage audiences and launch campaigns across email, SMS, and WhatsApp. | Developers who want an agent to send transactional email and reason about deliverability, suppressions, and analytics. |
Verdict
Choose Brevo's server when your work is marketing- and audience-centric: it lets an agent manage contacts, lists, and segments and run campaigns across email, SMS, and WhatsApp, with templates and CRM deals in the mix. Choose Mailgun's server when your work is developer- and deliverability-centric: it's built for sending transactional email and then operating the things that keep it landing — domains and DNS, dedicated IPs, suppression lists, tracking, and analytics. The trade-off is multi-channel campaign management (Brevo) versus precise send-and-deliverability control (Mailgun). Both are official; pick by whether your agent's job is to run marketing or to send and safeguard transactional email.
FAQ
- Which is better for transactional email?
- Mailgun is the more natural fit — it's a developer email API with deep deliverability tooling (domains, DNS, IPs, suppressions, analytics). Brevo can send transactional templates too, but its server is oriented around campaigns, contacts, and multi-channel marketing.
- Does either handle SMS or WhatsApp?
- Brevo does — its server includes SMS campaigns and WhatsApp campaigns/management alongside email. Mailgun is email-focused, centered on the message lifecycle and deliverability rather than other channels.