# Groundmail

> Transactional email API and SMTP for password resets, receipts and alerts.

Transactional email API and SMTP for password resets, receipts and alerts. Kept separate from marketing mail, automations included, 3,000 emails/mo free.

## Facts
- Website: https://groundmail.dev
- Categories: Developer Tools
- LotsDirectory page: https://lots.directory/products/groundmail
- Listing state: Unclaimed. We listed this product from its public website, and its owner has not claimed it yet.

## Detailed info

## What is Groundmail?

Groundmail is an email infrastructure platform for applications and AI agents that provides REST API and SMTP delivery for transactional messages.

## What Groundmail does

The platform delivers password resets, receipts, and alert emails with median 5.0-second delivery, provides real email addresses that AI agents can read and reply from, separates transactional mail from newsletters, and includes webhooks, automations, templates, and multi-tenant customer management.

## Who Groundmail is for

Software developers, engineering teams, and AI agent builders needing dedicated transactional email delivery and inbound agent mailboxes.

## How Groundmail works

Developers configure verified sending domains via the CLI, dashboard, or MCP server, send emails using the REST API or SMTP port 587, receive incoming mail via webhooks, and assign mailboxes to autonomous agents.

## Key features

- Delivers transactional emails with a 30-day median speed of 5.0 seconds and 99.99% sending uptime.
- Provides real email mailboxes that AI agents can read and reply from using webhooks and MCP.
- Supports sending via REST API and standard SMTP on port 587 with verified domain credentials.
- Keeps transactional mail separate from marketing mail with separate IPs.
- Provides tenants to keep each customer domains, suppressions, and limits apart.
- Provides official SDKs for Node, TypeScript, Python, Go, Rust, PHP, and Ruby.
- Offers 7 days of logs and 3,000 monthly emails on the Free plan.
- Allows dedicated IPs and managed dedicated mail servers at scale.

## Pricing

As listed on groundmail.dev, checked 8 November 2026. Prices can change; see the site for current terms.

- Free: $0 per month for 3,000 emails a month, 100 emails a day, 3 sending domains, 3 agent mailboxes, and 7 days of logs.
- Pay as you go: $15 per month for 20,000 emails a month included ($0.70 per 1,000 from 20,000 to 100,000), tenants for up to 1,000 customers, and 90 days of logs.
- Dedicated server: $299 per month for 250,000 emails included ($0.40 per 1,000 past included), dedicated mail server and IPs, and up to 1 year of logs.

## Facts from groundmail.dev, checked 8 November 2026

- Operates proprietary mail servers and dedicated IP space.
- Maintains official SDKs for Node, TypeScript, Python, Go, Rust, PHP, and Ruby.
- Includes MCP server integration for AI coding assistants.
- Provides 3,000 free monthly emails on the Free plan.

Written from Groundmail's own website ([Homepage](https://groundmail.dev/), [Pricing](https://groundmail.dev/pricing/), [Features](https://groundmail.dev/features/)). The maker can claim this listing to edit it.

## FAQ

### Can my AI agent have its own email address?
Yes. You can create mailboxes from the API, CLI, or dashboard, giving agents real email addresses they can read and reply from.

### Does Groundmail support standard SMTP connections?
Yes. Users can connect to smtp.groundmail.dev on port 587 using SMTP credentials generated from the dashboard.

### Can AI coding assistants set up and manage Groundmail?
Yes. Connecting the Groundmail MCP server enables assistants like Claude Code or Cursor to verify domains, send test emails, and check delivery.

### What does the Free plan include?
The Free plan provides 3,000 emails per month, up to 100 per day, 3 sending domains, 3 agent mailboxes, and 7 days of logs with no credit card required to start.

---
Source: https://lots.directory/products/groundmail · Machine-readable context by LotsDirectory.