Take back control of your email with this mail server in a box
mailcow: dockerized
Mail hosting made simple
Disposable webmail server (similar to Mailinator) with built in SMTP
Insular email distribution - mail server as Docker images
Universal server
Zentyal is a Linux Small Business Server
A serverless email server on AWS using S3 and SES
Simple, modern & fast web-based email client
Send Mime and Smime Emails to Any Type of Mail Server
Enterprise Business Operating System
Mail Alert Simple Mailer
Cleanse, correct and enrich customer data directly in Microsoft Excel.
an 'auto-reply' bot for your mail server
CheckeredFlag is a super simple mail server.
FossLook Is a Business Automation Platform
To synch and encrypt all sorts of data across different sources
Send emails from command line
Host a personal portfolio in Google App Engine- Python
Webkosa is the open source edition of Webcrossing.
Linux Mail Server with Calendaring and IM
A lite version of mailinator for developer use
File scanning spam filter MDaemon plugin.