Open-source alternatives to Go Imap

MailHog SMTP Protocol

Golang package that generates clean, responsive HTML e-mails for sending transactional mail

Robust and flexible email library for Go

✉️ A streaming Go library for the Internet Message Format and mail messages

This is a Ruby email library providing a comprehensive toolset for composing, parsing, and sending emails. It includes an SMTP client for delivering outgoing messages and a MIME parser for decomposing complex multipart email structures. The project features an IMAP and POP3 mail fetcher for synchronizing messages from remote servers, alongside a specialized framework for testing email logic through mock delivery methods and matchers. The library covers a broad range of email operations, including the generation of nested multipart messages, the management of attachments, and the translation

Golang package for send email. Support keep alive connection, TLS and SSL. Easy for bulk SMTP.

Using Mailchain, blockchain users can now send and receive rich-media HTML messages with attachments via a blockchain address.

Go library for the Mailgun API.

Roundcube is an open-source, self-hosted webmail client designed for reading, composing, and organizing emails stored on remote servers using IMAP and SMTP protocols. It provides a browser-based interface that allows users to manage their mailboxes and sender identities through a secure communication platform. The platform is distinguished by its modular architecture, featuring a plugin-based extension system for adding new functional modules and a skin-based theme layer for customizing the visual appearance and responsive layouts. It further supports embedding its interface into external clo

This branch is for use with CakePHP 5.1+. For details see version map.

Super Simple IMAP Client Library for Golang

Postal is an open-source email infrastructure and self-hosted delivery platform. It functions as an SMTP mail server and inbound email gateway, providing the tools necessary to send and receive email through a privately managed infrastructure. The system manages SMTP infrastructure for outgoing message delivery and provides capabilities for custom email receiving. It allows for the routing of incoming external emails to internal applications or websites for automated processing. The platform includes support for multi-tenant domain mapping, event-driven webhook notifications, and plugin-base

Django-Mailgun A Django email backend for use with Mailgun

Djrill: Mandrill Transactional Email for Django

Simple e-mail sending library

Gibbon is an API wrapper for MailChimp's API

Incoming! helps you receive email in your Rack apps.

gcourier provides a simple and easy-to-use interface for sending emails from Gleam.

Python SMTP Server for Humans

Django-Db-Mailer

A wrapper for ZeptoMail's transactional email API.

Email library for Crystal. Testable, adapter-based, and catches bugs for you. Comes with an adapter for SendGrid.

The express way to send mail from Ruby.

CSS styled emails without the hassle.