912 Open source projects that are alternatives of or similar to Mailer

📥 An email client that functions like a kanban board.

✉️ Composable all-in-one mail server.

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

⏰ A GitHub Action that reminds you to share your own content

Great script for sending and spaming emails! gmail, yahoo, outlook, hotmail.

Simple tool for downloading email attachments for all emails in a given folder using an IMAP client

Send mail from Laminas or Mezzio using external mail services.

Run ProtonMail Bridge in a docker container

✅ A Go library for email verification without sending any emails.

Command-line interface for email management

GitHub Action that triggers e-mails with release notes when these are created

High performance, async IMAP client implementation

SMTP and IMAP checker / cracker for mailpass combolists with a user-friendly GUI, automated inbox test and many more features.

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.

📮 Dialogflow + Sendgrid = AI Mailbox

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

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

A lightweight PHP SMTP mail sender

The Official Twilio SendGrid Led, Community Driven C#, .NetStandard, .NetCore API Library

Transactional email server with a lovely web interface

A Laravel Nova tool that sends ad-hoc email messages from the dashboard.

The Official Twilio SendGrid Led, Community Driven Python API Library

Papercut SMTP -- The Simple Desktop Email Server

Easily send great-looking HTML email messages from R

The Official Twilio SendGrid Led, Community Driven Java API Library

Sieve Script Editor

Event-driven networking engine written in Python.

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

Send email in Python conveniently for gmail using yagmail

Email Integration for Mattermost

Exim Mail Transport Agent - source, testsuite and documentation

Cypht: Lightweight Open Source webmail written in PHP and JavaScript

💌 Mail app for Nextcloud

The Official Twilio SendGrid Led, Community Driven Golang API Library

InBrief is a personal briefing app and dashboard powered by Electron and React

Mailway installer, host your own Mailway instance

Work with email and mailbox by IMAP

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

a list of disposable and temporary email address domains

How to get emails including there attachments and how to extract various attributes from those emails. See https://youtu.be/zFEEGkvo6O8 for a more detailed information.

Official Java client library for the Postmark HTTP API

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

Provides a clean and simple way to configure the WordPress-bundled PHPMailer library, allowing you to quickly get started sending mail through a local or cloud based service of your choice

The Official Twilio SendGrid Led, Community Driven Ruby API Library

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 SMTP adapter for Bamboo.

Eventum Issue Tracking System

The Official Twilio SendGrid Led, Community Driven PHP API Library

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

📧 Service to assist with sending emails from Vapor apps

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

Send mail from Laminas or Mezzio using external mail services.

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.

The complete and secured Mail Client for ESP32, sending and reading the E-mail through the SMTP and IMAP servers.

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

Mail app designed for elementary OS

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

Check if an email address exists without sending any email, written in Rust.

mailio is a cross platform C++ library for MIME format and SMTP, POP3 and IMAP protocols. It is based on standard C++ 17 and Boost library.

Strongly typed library for the entire SendGrid v3 API, including webhooks