665 Open source projects that are alternatives of or similar to Mail

Insular email distribution - mail server as Docker images

A lightweight PHP SMTP mail sender

A lightweight SMTP mail library

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

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.

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)

Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box.

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

⚡️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.

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

Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container.

Postfwd plugin for blocking international spam botnets based on geographical location of IP addresses used to login to postfix via sasl.

DKIM (DomainKeys Identified Mail) Key

Actively maintained fork of gomail. The best way to send emails in Go.

Simple and easy to use catch-all SMTP mail server and debugging tool

bruteforcing gmail (TLS/SSL)

Ido is a clean, simple, Polymail-inspired theme for Mailspring

✉️ A fully featured open source mail delivery platform for incoming & outgoing e-mail

Smart Bulk Email Sender with Mail Merge, Delay between Emails and HTML Content

📨 Simple email interface across multiple service providers (ses, postmark, mandrill, smtp)

Yii 2 swiftmailer extension.

The one and only django app to receive & send mail with templates and multiple configurations.

IP-Biter: The Hacker-friendly E-Mail (but not only) Tracking Framework

Official Node.js library for the Postmark API

The best free email forwarding for custom domains (Web Server)

Aplus Framework Email Library

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

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

MIME mail encoding and decoding package for Go

Golang SMTP server

Mail4Delphi uses the Indy component to send the email.

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

No description or website provided.

The official PHP library for Postmark.

Mail Analyzing Interface for email bounce: A Ruby library to parse RFC5322 bounce mails and generating structured data as JSON from parsed results. Ruby version of Sisimai: an error mail analyzer.

A simple, coroutine based Kotlin Email API for both client- and server-side projects

small mail server

💌 A beautiful, fast and fully open source mail client for Mac, Windows and Linux.

⚙️ A GitHub Action to send an email to multiple recipients

Send emails using Django template system

Simple SMTP server / postfix null relay host for your Docker and Kubernetes containers. Based on Alpine Linux.

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

✉️ Composable all-in-one mail server.

🐝 experimental terminal mail client, mirror of https://git.meli.delivery/meli/meli.git https://crates.io/crates/meli

An automated e-mail OSINT tool

IMAP, POP3 and SMTP clients for Dart developers. Contains both low level as well as a high level API.

Smtp server for mass emailing, managing email lists and more. Built on .NET Core. Linux, MAC and Windows compatible.

asynchronous library for sending and receiving mail via fs2._

A python 3+ program to spam emails to a list of users repetitively

A badass SMTP mail server built on Node to make your life simpler.

[NEW] : Simple Mail Transfer Protocol (SMTP) CHECKER - CRACKER Tool V2

📧 A cross platform mail driver for GoLang. Featuring Mailgun, Postal, Postmark, SendGrid, SparkPost & SMTP.

📮 Bulletproof email queue on top of NodeMailer with support of multiple clusters and servers setup

The Hoa\Mail library.

✉️ A fully featured open source mail delivery platform for incoming & outgoing e-mail

Skirnir Email Server

📤 An SMTP client & server library written in Go

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

✉️ Teaching an Old Dog New Tricks -- IRC: #neomutt on irc.libera.chat