MCP.Market

MailMask MCP server

online · 100% uptime
by mailmask.studio·studio.mailmask/mailmask·v0.1.0

Email for agents: domains, aliases, IMAP mailboxes, DNS, sending and webhooks via one API key.

A97/100grade A
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Safety scan
A97/100

full report

Adoption
Growing

0 stars

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MailMask tools

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Public scan report

scanner v0.1.10 · 2026-10-14 · same rubric, same numbers if you re-run it

no findings
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 500ms (auth required)20/20
  • –Tool poisoningtools not inspected (endpoint requires auth); not countedn/a
  • Auth qualityOAuth resource metadata advertised on 40115/15
  • Maintenancelast push 0 days ago15/15
  • Maintainer identityendpoint served from the registry-verified namespace domain8/10
Overall 97/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How MailMask compares

Against every graded Email MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
97/100
higher than 95% of 916 Email servers
Uptime
100%
of our recent checks; the typical remote Email server answers 100%
Response time
194 ms
faster than 67% of 609 Email servers

Install MailMask in Claude Code, Cursor or VS Code

claude mcp add --transport http mailmask https://www.mailmask.studio/mcp
Add to Cursor

What the publisher says

From the MailMask repository's README, as published. We do not edit it. Read it on GitHub

MailMask

Email profesional con tu dominio. Máscaras, forwarding y bandeja compartida — sin Google Workspace.

mailmask.studio

Qué es

MailMask te permite recibir y gestionar emails con tu dominio propio. Configura máscaras (aliases) que reenvían a tu Gmail, Outlook o cualquier buzón existente, sin montar un servidor de correo y sin pagar licencia por buzón. Ideal para freelancers, startups y equipos pequeños.

Features

  • Máscaras con forwarding — direcciones como hola@tudominio.com que reenvían a uno o varios destinatarios
  • Envío autenticado — salida desde tu dominio con DKIM y SPF configurados automáticamente en SES
  • Bandeja compartida — asigna conversaciones a miembros del equipo y responde desde el dashboard, con actualización en tiempo real vía SSE
  • API REST + SDK — cliente JS/TS publicado como @easybits.cloud/mailmask
  • SMTP relay — credenciales SMTP para enviar desde tu código o SaaS (plan Developer)
  • Reglas de enrutamiento — reenvío condicional por alias
  • RBAC por dominio — roles owner, admin y agent con permisos granulares
  • Respaldos verificados — snapshot completo del SQLite con VACUUM INTO, verificado con integrity_check antes de subir a S3
  • Blog integrado — 24 guías SEO sobre email profesional y forwarding
  • Docs con agente — chat de soporte en /docs que responde por RAG sobre la documentación

Planes

Precios en MXN. Máscaras, reglas, envíos y reenvío se cuentan por dominio, no por cuenta.

Son dos límites distintos. Envíos es el correo saliente que originas tú (panel, API, SMTP relay). Reenvío de entrada es el correo que llega a una máscara y sale al buzón destino — el caso de uso principal, medido por hora y un orden de magnitud mayor: ~2,400, ~12,000 y ~48,000 al día. Quien solo reenvía nunca toca el límite de envíos.

Add-ons

Se compran encima de cualquier plan activo y se cobran aparte, mes a mes.

Los dos de envíos son mutuamente excluyentes; se compran una vez y aplican a todos los dominios de la cuenta, con el tope contando por dominio y por día.

Fuente de verdad: PLANS y ADDONS en db.ts.

Stack

Node + tsx · Elysia · SQLite (Drizzle) · AWS SES/S3 · MercadoPago · Fly.io

Setup

cp .env.example .env
npm install
npm run dev    # localhost:8000
npm test

Requiere los buckets de S3 mailmask-inbound y mailmask-backups en us-east-1. Todo AWS está fijado a esa región: SES inbound solo existe en us-east-1, us-west-2 y eu-west-1, y ahí viven las receipt rules y los dominios verificados.

Deploy

fly deploy     # ~22s, ~11s de downtime

El downtime es estructural: con SQLite en un volumen único solo una máquina puede montarlo, así que Fly debe detener la vieja antes de arrancar la nueva.

Endpoints de salud

Documentación y agente

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

MailMask: common questions

Is MailMask MCP server safe?
Yes, by our scan: it is graded A (97/100). Read the MailMask safety report
How do I install MailMask?
It runs remotely at www.mailmask.studio. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does MailMask need an API key?
No key to paste: it signs you in with OAuth when your client connects.
Is MailMask maintained?
The last commit was 21 days ago (2026-10-14). The latest release is v0.1.0.
Is MailMask up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.
What can I use instead of MailMask?
Servers from other publishers that do the same job: Email Inbox API + Sending by Sendmux MCP server, Fluxmail MCP server and Forward Email MCP server.
How does MailMask compare with other Email MCP servers?
safety score 97/100 (higher than 95% of 916 Email servers); uptime 100% (of our recent checks; the typical remote Email server answers 100%); response time 194 ms (faster than 67% of 609 Email servers). Full comparison.

Alternatives to MailMask

Same job from other publishers: the closest match first, then the best rated.

  • Email Inbox API + Sending by Sendmux
    AI email inbox and sending tools with attachments, search, live events, and webhooks.
    A
  • Fluxmail
    Read, search, draft, send, and organize email through Gmail, Outlook, and IMAP/SMTP mailboxes.
    B
  • Forward Email
    Privacy-focused email: domains, DNS verification, aliases, SMTP sending, mailboxes and calendars.
    A
  • Qmailing
    AI agents read & send email, manage mailboxes, domains and webhooks via the QMailing API.
    A
  • Mailkite
    Send email, manage domains, DNS, webhooks, templates, and inbound routing on MailKite
    A