Amail - Convert SMTP into HTTP API

Self-hosted SMTP-to-API mail gateway for any network

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Updated Jul 2026 · Added Jul 2026

amail.wuyuan.dev

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What is Amail?

Amail is a self-hosted mail proxy gateway that converts SMTP protocol into HTTP API, enabling email sending across any network environment. It supports multiple SMTP authentication methods (PASSWORD, LOGIN, PLAIN, CRAM-MD5, OAuth2) and provides logging, statistics, and persistent storage via SQLite. Designed for developers who need reliable, self-managed email infrastructure with API-first access.

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Key Features of Amail

HTTP API for send, batch send, query, and cancel operations
Multiple SMTP authentication methods (PASSWORD, LOGIN, PLAIN, CRAM-MD5, OAuth2)
Logging and statistics with SQLite
Docker support with persistent /data mounting
TypeScript SDK included
Bearer token authorization

Who Should Use Amail?

Send emails via HTTP API in restricted network environments

Batch email sending with API management

Self-hosted email infrastructure for developers

Monitor and query email sending history

Integrate email with custom applications via HTTP

Amail: Pros & Cons

✓Pros

Self-hosted for full control and privacy
Flexible SMTP authentication support
Docker containerization for easy deployment
Built-in logging and daily statistics
Official TypeScript SDK provided
Persistent data storage

Frequently Asked Questions about Amail

Can I use Amail to send emails from an application in a network that blocks SMTP?

Yes. Amail converts SMTP protocol into HTTP API calls, so your application can send email via standard HTTP requests even when direct SMTP connections are blocked. You run the Amail gateway on a server that has SMTP access, and applications on your restricted network talk to it over HTTP instead.

What SMTP servers can Amail connect to?

Amail supports PASSWORD, LOGIN, PLAIN, CRAM-MD5, and OAuth2 authentication methods, so it works with any SMTP server that uses one of those schemes. You configure the upstream SMTP server credentials when you set up the gateway.

Does Amail keep a record of sent emails?

Yes. Amail stores email history and statistics in SQLite, and includes query and cancel endpoints to retrieve sending history and manage messages. You can monitor daily statistics and look up past email operations through the HTTP API.

How do I deploy Amail and keep my data if the container restarts?

Amail runs on Docker and includes a TypeScript SDK for integration. Mount the /data directory as a persistent volume so your SQLite database and logs survive container restarts and updates.