692 Open source projects that are alternatives of or similar to Mailkit

IMAP, POP3 and SMTP clients for Dart developers. Contains both low level as well as a high level API.

🌰️🐿️ SquirrelMail GitHub Repository (PHP 7-OK!)

✉️ Teaching an Old Dog New Tricks -- IRC: #neomutt on irc.libera.chat

Insular email distribution - mail server as Docker images

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

.NET email library and proxy supporting IMAP, POP3, and SMTP with S/MIME and PGP.

VMime Mail Library

small mail server

Fake Protocol Server

The ISPDB, Thunderbird's database of mail configuration files.

A light-weight, modular, message representation and mail delivery framework for Python.

Email-based instant messaging for Desktop.

An elegant MIME/SMTP email library with support for attachments

Mailozaurr is a PowerShell module that aims to provide SMTP, POP3, IMAP and probably some other ways to interact with Email. Underneath it uses MimeKit and MailKit libraries written by Jeffrey Stedfast.

Library to send e-mails over different transports and protocols (like SMTP and IMAP) using immutable messages and streams. Also includes SMTP server.

Poste.io plugin for Dokku

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.

asynchronous library for sending and receiving mail via fs2._

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

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

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

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

A free & open modern, fast email client with user-friendly encryption and privacy features

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

✉️ Composable all-in-one mail server.

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

A .NET MIME creation and parser library with support for S/MIME, PGP, DKIM, TNEF and Unix mbox spools.

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.

IMAP or SMTP honeypot written in Golang

Simple Python API that that allows you to send texts via SMTP with a best effort approach and process replies via IMAP

Delta.Chat C-Library with e2e chat-over-email functionality & Python bindings

IMAP protocol parser and datastructures in Rust

A bridge written in Golang to receive and write emails in matrix

mnm implements TMTP protocol. Let Internet sites message members directly, instead of unreliable, insecure email. Contributors welcome! (Client)

MIME mail encoding and decoding package for Go

A collection of libraries and tools written in Go.

🔐 📧 Encrypts WordPress emails using OpenPGP or S/MIME with a familiar API.

The Hoa\Mail library.

SMTP Client Library in C

Read and write email files (MSG, EML, MHTML), and compose, receive and send email messages using POP, IMAP, SMTP, and EWS in a simple and efficient way.

Skirnir Email Server

Basic functions for handling mime-types, forked from Joe Gregorio's mimeparse library

邮件收取工具包，支持pop，imap，exchange协议的邮箱以及企业邮箱

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

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

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

Fortran 2008 interface bindings to libcurl

Aplus Framework Email Library

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

The classic email sending library for PHP

'DANE for SMTP' wiki

SMTP DANE testing tool

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。

Simple, modern & fast web-based email client

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

A lightweight SMTP mail library

Sending HTML email using Go 💌

S/MIME encoder in pure python

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