226 Open source projects that are alternatives of or similar to Haraka

✉️ Composable all-in-one mail server.

Command line utility and a Node.js library for email authentication

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

Postfix SMTP relay docker image

Mirrored from GitLab! Monitoring and automation for Open Source email servers, starting with Postfix. Please do not submit issues or PRs here - join us at: https://gitlab.com/lightmeter

RSS/Atom feed updates in your email

A collection of libraries and tools written in Go.

Plugin for the Haraka SMTP server to store incoming and outgoing emails to MongoDB

Insular email distribution - mail server as Docker images

ThunderSec is a security plugin for Mozilla Thunderbird that creates several pieces of additional security functionality, including DNSBL, RBL, SURBL, DKIM and SPF.

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

Blackhole is an MTA written on top of asyncio, utilising async and await statements that dumps all mail it receives to /dev/null.

Hermes Secure Email Gateway is a Free Open Source Ubuntu 18.04 or 20.04 Server based Email Gateway that provides Spam, Virus and Malware protection, full in-transit and at-rest email encryption as well as email archiving. It features the latest email authentication techniques such as SPF, DKIM and DMARC.

Internet.nl toolbox - how-to's for modern mail security standards (DMARC, DKIM, SPF and DANE)

Another utility to analyze state of deployment of security-related email protocols.

SMTP-proxy that DKIM-signs e-mails before submission to an upstream SMTP-server.

Poste.io plugin for Dokku

A minimalist client for sending mail direct to recipient's MX

Simple and secure contact form using Ajax, validations inputs, SMTP protocol and Google reCAPTCHA v3 in PHP.

[NEW] : Simple Mail Transfer Protocol (SMTP) CHECKER - CRACKER Tool V3

Functional HTML forms for Front-End Developers.

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

End-to-end encrypted email for the mesh networking age

Mailmask - easy stop unwanted email. Unlimited, free temporary email addresses, all forwarding to your real email address. Beat spam, protect your privacy.

⚡️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

Collaborative open-source successor to qmail

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

Third edition of the Computer Networking: Principles, Protocols and Practice ebook

Zmail makes it easier to send and retrieve emails in python3

Run ProtonMail Bridge in a docker container

Send nice emails

A parser for SPF and DMARC DNS records

A SMTP Server component written in C#

Sending HTML email using Go 💌

It's a lightweight, fast and reliable Sendmail milter that implements the Sender Policy Framework

Questions and support for Mailcoach

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

A PHP library for performing email addresses validation via SMTP

The classic email sending library for PHP

Simple PHP SMTP Mail Send Script

Ansible playbooks to deploy a full featured mail server stack using Docker.

Ansible role for Postfix MTA

🌈 A simple implementation example with and without email-templates using mailer module for nest js built on top of nodemailer.

mailcow: dockerized - 🐮 + 🐋 = 💕

Display clock for NYC subways

Try to determine what Linux/Unix distribution is running on a remote host and get a hint if security updates are applied.

SMTP DANE testing tool

Compact large SPF chains into flat blocks of IP addresses

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

Tool to verify DKIM signatures on an mbox of emails

'DANE for SMTP' wiki

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。

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bruteforcing gmail (TLS/SSL)

Simple, modern & fast web-based email client

An email spoofing testing tool that aims to bypass SPF/DKIM/DMARC and forge DKIM signatures.🍻

A throwaway smtp server with API

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

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