📤 An SMTP client & server library written in Go

A Lightweight High Performance ESMTP email server

Extensible Perl implementation of the STMP protocol and its different evolutions (ie: ESMTP, LMTP)

Email Encryption made Convenient and Reliable

A multithreadded tool to enumerate SMTP User/OS information from SMTP Servers

Cout lib is a header-only library for SMTP client + example of SMTP client used this lib included

Complete Extended SMTP Server for low-end devices, such as an Raspberry Pi

GoLang SMTP server and client implementation

SMTP/ESMTP/POP3 server zonder bullshit

Simple SMTP Client

An SMTP server implementation in C#.