smtpd topic

OpenBSD Email Service

vedetta-com

A Python Mail Server

moggers87

A reimplementation of the Python stdlib smtpd.py based on asyncio.

aio-libs

A Lightweight High Performance ESMTP email server

gleez

Blackhole is an MTA written on top of asyncio, utilising async and await statements that dumps all mail it receives to /dev/null.

kura

SMTP server (library) for receiving emails, written in pure PHP.

TheFox

mxcheck is an info and security scanner for e-mail servers.

steffenfritz

The first Open-Source high-performance MTA developed from the ground-up for high-volume email sending environments.

KumoCorp

SQLite-backed mail processing suite

cmail-mta