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Open-source and self-hostable email service

A microservice to send emails using [MRML](https://github.com/jdrouet/mrml) templates

A web application to build [MRML](https://github.com/jdrouet/mrml) templates

A library to generate nice email templates working on any mail client

an SMTP-library [](https://github.com/lettre/lettre/actions/workflows/test.yml)

An SMTP server for test and development environment

🐝 terminal mail client

Email test server for development

CSS inliner for your HTML emails

A robust and flexible email library for Go

DKIM library, to sign & verify email

Batteries-included IMAP client with auto-reconnect, OAuth2, IDLE support, and built-in MIME parsing

Very simple package to send emails with SMTP Keep Alive and two timeouts: Connect and Send

Lightweight SMTP client providing an HTTP API

Golang package that generates clean, responsive HTML e-mails

All-in-one (SMTP, IMAP, DKIM, DMARC, MTA-STS, DANE) email server

Email and SMTP testing with web and API interface

Email and SMTP testing tool for developers

Mailx is a library that makes it easier to send email via SMTP. It is an enhancement of the golang standard library

SMTP server protocol state machine

Lightweight configurable multithreaded fake SMTP server. Mimic any SMTP behaviour for your test environment

Configurable Golang email validator/verifier. Verify email via Regex, DNS, SMTP and even more

Verify and find email APIs

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