---
title: CloudMailin
description: Receive and send email via HTTP. Forward inbound email to your app as JSON/multipart webhooks, plus transactional SMTP for outbound.
product: Marketplace
url: https://docs.digitalocean.com/products/marketplace/catalog/cloudmailin/
last_updated: "2026-03-16"
---

> **For AI agents:** The documentation index is at [https://docs.digitalocean.com/llms.txt](https://docs.digitalocean.com/llms.txt). Markdown versions of pages use the same URL with `index.html.md` in place of the HTML page (for example, append `index.html.md` to the directory path instead of opening the HTML document).

# CloudMailin

Generated on 16 Mar 2026 from [the CloudMailin catalog page](https://marketplace.digitalocean.com/add-ons/cloudmailin)

CloudMailin converts incoming emails into HTTP webhooks, delivering them to your application as JSON, multipart, or raw payloads in real time.

Configure custom domains and attachment storage direct to DigitalOcean Spaces, all managed through a simple dashboard or REST API. Plans scale from 10,000 emails per month into the millions, with no scalability concerns and instant provisioning.

We also offer outbound transactional email via API or SMTP, with DKIM signing, delivery tracking, and bounce handling built in.

Building agents? CloudMailin’s remote MCP server lets AI assistants send email and check delivery status, and inbound mail arrives as clean, agent-ready JSON for your LLM pipelines.

## Software Included

*This Marketplace listing does not include a detailed software list.*

## Installing this Add-On using the Control Panel

Click the **Deploy to DigitalOcean** button to install this add-on. If you aren’t logged in, this link will prompt you to log in with your DigitalOcean account.

[![Deploy CloudMailin to DO](https://www.deploytodo.com/do-btn-blue.svg)](https://cloud.digitalocean.com/add-ons/create/cloudmailin)

## Getting Started After Deploying CloudMailin

*This Marketplace listing does not include getting-started steps.*