Transactional email and agent mailboxes: send, broadcasts, domains, Correio inboxes.
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io.github.JE4NVRG/mepmail is an MCP server that transactional email and agent mailboxes: send, broadcasts, domains, Correio inboxes. Its tool list has not been published yet over http, requires no API key, and scores 87/100 on MCPpedia's security, maintenance and efficiency rubric.
Config is the same across clients - only the file and path differ.
{
"mcpServers": {
"io-github-je4nvrg-mepmail": {
"args": [
"-y",
"@mepmail/cli"
],
"command": "npx"
}
}
}Are you the author?
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Transactional email and agent mailboxes: send, broadcasts, domains, Correio inboxes.
This server supports HTTP transport. Be the first to test it - help the community know if it works.
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No known CVEs.
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CVSS scoring, IOC extraction, email header triage, hash/JWT/timestamp decoding, CISA KEV lookup.
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Transactional email API (Resend-compatible) · SMTP relay · Broadcasts and newsletters ·
Business email on your own domain · MCP server for AI agents
Start free on MepMail Cloud · Pricing · Docs · Self-host · Português
MepMail puts the two kinds of email a company needs in one place:
It is an open-source alternative to Resend, SendGrid, Mailgun and Postmark for sending, and to the Google Workspace or Microsoft 365 inbox for your domain. The whole stack is in this repository under AGPL-3.0.
Run it yourself, or let us run it for you. It is the same product, with the same dashboard, API and SDKs.
| MepMail Cloud | Self-hosted | |
|---|---|---|
| Setup | Sign up and send your first email in minutes | Docker Compose, your own server and AWS account |
| Amazon SES | Ours: production access, quotas and regions are handled | Yours: leave the SES sandbox and manage quotas |
| Deliverability | DKIM, SPF, DMARC, bounces, complaints and reputation monitored for you | You wire the SNS events and watch the rates |
| Business mailboxes (Correio) | Solo, Duo or Equipe plans | Not covered by the self-hosting guide yet |
| Desktop apps, MCP, updates, backups | Managed | You run upgrades and backups |
| Support | People who build the product, in English and Portuguese | GitHub issues |
| Price | Free plan: 100 emails a day, no credit card. Paid plans by card, or Pix in Brazil | Free software; you pay AWS |
Don't want to run email infrastructure? Create a free account and you are sending in a few minutes. Correio plans start at US$ 2.90 a month (R$ 14,90 in Brazil), with 7 days free on a card. See pricing.
| Feature | Notes |
|---|---|
| Emails API (Resend-compatible) | Send, batch, get and cancel with Resend's request and response shapes. |
| Idempotency | An Idempotency-Key header de-duplicates retried sends. |
| SMTP relay | smtp.mepmail.dev:2587 (STARTTLS), authenticated with |