1166 Open source projects that are alternatives of or similar to Mailinabox

Send email to any SMTP server like a boss, in Swift and cross-platform

📩🛡 Email privacy. Anonymously send and receive with alias forwarding.

SMTP (email) server with a focus on simplicity, security, and ease of operation [mirror]

📤 An SMTP client & server library written in Go

Sendria (formerly MailTrap) is a SMTP server designed to run in your dev/test environment, that is designed to catch any email you or your application is sending, and display it in a web interface instead of sending to real world.

The best free email forwarding for custom domains. Visit our website to get started (SMTP server)

⚡️Arduino Mail Client Library to send, read and get incoming mail notification for ESP32, ESP8266 and SAMD21 devices. The library also supported other Arduino devices using Clients interfaces e.g. WiFiClient, EthernetClient, and GSMClient.

A lightweight SMTP mail library

Catches mail and serves it through a dream.

Golang SMTP server

The magma server daemon, is an encrypted email system with support for SMTP, POP, IMAP, HTTP and MOLTEN,. Additional support for DMTP and DMAP is currently in active development.

Very crude and poorly written HTTP(s) and SMTP bin

Insular email distribution - mail server as Docker images

A lightweight PHP SMTP mail sender

Emails at the heart of your business logic!

基于 Net.Mail 封装的发送邮件工具类。仅需一行代码，发送邮件。支持自定义邮件发出邮箱、发出方名字等。 支持SSL加密发送。 多个接收人、抄送人。支持群发独显。 支持添加附件、多个附件。 目前大部分主流邮箱全支持。

Papercut SMTP -- The Simple Desktop Email Server

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

MailMergeLib is a mail message client library which provides comfortable mail merge capabilities for text, inline images and attachments, as well as good throughput and fault tolerance for sending mail messages.

An unofficial desktop client for ProtonMail done with electron nativefier

Laravel MJML offers support for rendering MJML syntax into in-line HTML that can be sent within mails.

A cross-platform IMAP library for .NET, supporting .Net 2.0 - 4.5, Mono and Windows Phone

An SMTP adapter for Bamboo.

Collaborative open-source successor to qmail

Delta Chat Rust Core library, used by Android/iOS/desktop apps and bindings

⚙️ A GitHub Action to send an email to multiple recipients

Library to send e-mails over different transports and protocols (like SMTP and IMAP) using immutable messages and streams. Also includes SMTP server.

Command-line interface for email management

Fullstack, security focused mailserver based on OpenSMTPD for OpenBSD using ansible

A throwaway smtp server with API

The classic email sending library for PHP

Configure Magento 2 to send email using Google App, Gmail, Amazon Simple Email Service (SES), Microsoft Office365 and many other SMTP (Simple Mail Transfer Protocol) servers

Zmail makes it easier to send and retrieve emails in python3

isBizMail tells you whether a given email address belongs to a free email account provider (gmail.com, yahoo.es, yandex.ru etc) or not.

mailcow: dockerized - 🐮 + 🐋 = 💕

Easily send great-looking HTML email messages from R

A cross-platform .NET library for IMAP, POP3, and SMTP.

A Gatsby email *application*

Full-featured, open source mail server solution for mainstream Linux/BSD distributions.

A graphical threads-with-tags style, lightweight and fast, e-mail client for Notmuch

Self-hosted server for the ProtonMail client

Yii 2 swiftmailer extension.

MailTrap has been renamed to Sendria. Please use Sendria now, MailTrap is abandoned. MailTrap is a SMTP server designed to run in your dev/test environment, that is designed to catch any email you or your application is sending, and display it in a web interface instead of sending to real world.

Simple, modern & fast web-based email client

Sieve Script Editor

A Python Mail Server

Glass - ISC DHCP Server Interface

Exim Mail Transport Agent - source, testsuite and documentation

Dovecot mail server

A third-party, open-source ProtonMail CardDAV, IMAP and SMTP bridge

Email-based instant messaging for Desktop.

Disposable webmail server (similar to Mailinator) with built in SMTP, POP3, RESTful servers; no DB required.

DKIM (DomainKeys Identified Mail) Key

a mailer library for Rust

Get a programmable email address. Automate what happens when you receive emails. It's like Zapier for devs who hate emails.

MFCMAPI

A fully tested email parser for PHP 7.2+ (mailparse extension wrapper).

Local, web-based mail server application. Slurp mails into oblivion!

A simple (but correct) library for validating email addresses. Supports mail addresses as defined in rfc5322 as well as the new Internationalized Mail Address standards (rfc653x). Based on https://github.com/jstedfast/EmailValidation

Recursively copy all e-mail messages and folders from one IMAP account to another.