443 Open source projects that are alternatives of or similar to Sendgrid Python

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

SparkPost client library for PHP

A secure and PGP enabled webmail module for Phosphorus Five

A list of amazing Newsletters

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

A console-based mail-client with integrated Lua scripting support.

The Mailer component helps sending emails

Leaked? 2.1 - A Checking tool for Hash codes, Passwords and Emails leaked

An unofficial desktop client for ProtonMail done with electron nativefier

Free HTML Email Templates created using the Postcards - https://designmodo.com/postcards/

Mail4Delphi uses the Indy component to send the email.

Official Node.js library for the Postmark API

Gnome Email Notifications

A Clojure library for parsing, downloading and reading email from IMAP servers.

holehe allows you to check if the mail is used on different sites like twitter, instagram and will retrieve information on sites with the forgotten password function.

A simple (but correct) .NET class for validating email addresses

No description or website provided.

Stock market performance insights and trends in your inbox daily.

💌基于 Vue -> Koa2 -> Mongoose 的留言时间轴，记录美好时光。

An Android Library for the creation of SendTo Intents with mailto: URI

Oracle PL/SQL API for Mailgun

Powershell Logging Module

Exim Mail Transport Agent - source, testsuite and documentation

The legitimate email replacement — n-identity, decentralized, store-and-forward, open protocol, open source. (Server)

Automated solution for hosting email, web, DNS, XMPP, and ZNC on OpenBSD.

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

RiiConnect24 Mail Scripts. OSS.

基于Tornado实现，提供Restful风格的API，提供基于RBAC的完善权限管理，可对所有用户的操作进行审计

PHP Fake Mail Sender Script with nicEditor - Send fake mails to anyone.

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

Monorepo for small Go modules maintained by Tawesoft

A Django messaging library

Python library and CLI for accurately querying username and email usage on online platforms

Fully featured, open source, privacy friendly email app for Android

Command-line interface for email management

Find leaked emails with your passwords

Advanced html to text converter

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

This package provides convenient methods to integrate the NeverBounce API into your project.

Papercut SMTP -- The Simple Desktop Email Server

Template generator for (responsive) emails & email signatures ✨

Create transactional email with a fluent interface (.net)

A Gulp workflow for maintainable email templates

📮 Send a email using the Linking API

Send emails using Django template system

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

Swoosh <3 Phoenix

A web interface for browsing Ruby on Rails sent emails

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

MJML starter kit, create responsive emails very quickly using MJML and this productive toolchain

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.

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

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

This module will create a Deliverability Dashboard that shows information about SES Email bounces and complaints.

Simple Keylogger with smtp to send emails on your account using python works on linux and Windows

OSINT tools catalog

A lightweight PHP SMTP mail sender

OST2PST - converts Outlook OST files to PST format

The SimpleLogin back-end

Bootstrap 4 (and soon 5) stylesheet, compiler, and inliner for responsive and consistent emails with the Bootstrap syntax you know and love.