764 Open source projects that are alternatives of or similar to Postfwd Anti Geoip Spam Plugin

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

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.

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

📬 Script for Mail on macOS that automatically unsubscribes from promotional emails and newsletters

A web-based user management tool for Postfix and Dovecot that is easy to use and still very powerful.

Postfix filter/hook to automatically encrypt outgoing emails with PGP/GPG

An automated e-mail OSINT tool

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

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

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.

DKIM (DomainKeys Identified Mail) Key

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.

Yii 2 swiftmailer extension.

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

⚙️ A GitHub Action to send an email to multiple recipients

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.

Official Node.js library for the Postmark API

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

Send emails using Django template system

Async dnsbl spam lists checker based on asyncio/aiodns.

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

An unofficial desktop client for ProtonMail done with electron nativefier

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

Sieve Script Editor

A Gatsby email *application*

MFCMAPI

Mail4Delphi uses the Indy component to send the email.

A lightweight PHP SMTP mail sender

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.

The official PHP library for Postmark.

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.

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

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

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

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

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

Mail hosting made simple

MIME mail encoding and decoding package for Go

Insular email distribution - mail server as Docker images

This library integrates Postal with the standard Laravel mail framework.

An installer for Modoboa

A lightweight SMTP mail library

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

Software to provision a mail server with users from a Windows or Samba 4 Active Directory

Adds email sending capability to a Nuxt.js app. Adds a server route, an injected variable, and uses nodemailer to send emails.

⚡️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.

Command-line interface for email management

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

Mentally computable verification codes for email aliases implemented as a postfix tcp table or milter; uses asyncio.

Virtual Mailbox Administration

mailcow: dockerized - 🐮 + 🐋 = 💕

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

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

SMS, Call, Mail, Telegram бомбер с открытым исходным кодом

Ansible role to set up postfix in Debian-like systems

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。

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

Dovecot mail server

Verschlüsselung von E-Mailadressen zum Schutz vor Spam