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

Provides Sendgrid integration for Symfony Mailer

A Gatsby email *application*

a mailer library for Rust

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.

Virtual Mailbox Administration

Email-based instant messaging for Android.

❤️ Fredy - [F]ind [R]eal [E]states [D]amn Eas[y] - Let the robot do the work...

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

Utils library for specific Brazilian businesses

K-9 Mail – Open Source Email App for Android

A secure and PGP enabled webmail module for Phosphorus Five

The Mailer component helps sending emails

Mail4Delphi uses the Indy component to send the email.

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.

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

Exim Mail Transport Agent - source, testsuite and documentation

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

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

Advanced html to text converter

📮 Send a email using the Linking API

Verschlüsselung von E-Mailadressen zum Schutz vor Spam

Send beautiful HTML emails with Laravel

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

A web interface for browsing Ruby on Rails sent emails

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

C# library that moves your stylesheets to inline style attributes, for maximum compatibility with E-mail clients.

Preview Laravel Mailables and notifications in your browser.

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

.NET Client for MailJet

Asynchronous email client for your terminal

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

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

Compose, deliver and test your emails easily in Elixir

Sieve Script Editor

HEML is an open source markup language for building responsive email.

UI Email Signature Generator - Make easy to create your email signature

A few simple, but solid patterns for responsive HTML email templates and newsletters. Even in Outlook and Gmail.

A weekly email update of all the most popular wikipedia articles

The DIME resolver library and command line utilities.

Django email confirmation for any model and any field

💌💨 Email Campaign Delivery built with GoLang inspired by GoHugo

A list of disposable/temporary email address domains

仿 Linux shell 命令的邮箱命令行客户端

Telegram bot that acts as an email client

Prometheus Alertmanager

Tutanota is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices.

Faster MIME Mail Parser

An open source email campaign management tool for nonprofits

Easily send great-looking HTML email messages from R

A C/C++ MIME creation and parser library with support for S/MIME, PGP, and Unix mbox spools.

Official PHP wrapper for MailerLite HTTP API v2

The official Engagement Cloud for Magento2 extension

This project is experimental! It's my attempt to create visual email template editor using React+Redux+etc... tools stack.

Fully functional Open Source email marketing manager for creating, sending, integrating, and analysing email campaigns and newsletters.

Official Java client library for the Postmark HTTP API

Common packages for Go

Exchange Transport rules to detect and enable response to phishing

A Clojure implementation of the Mandrill API

Full-featured, open source mail server solution for mainstream Linux/BSD distributions.

🦘 The Grouparoo Monorepo - open source customer data sync framework