Take back control of your email with this mail server in a box
mailcow: dockerized
Universal server
A serverless email server on AWS using S3 and SES
Simple, modern & fast web-based email client
Mail Alert Simple Mailer
an 'auto-reply' bot for your mail server
FossLook Is a Business Automation Platform
Send emails from command line
MailSmsGateway is a simple interface between mailing and sms services.
Host a personal portfolio in Google App Engine- Python
Webkosa is the open source edition of Webcrossing.
A lite version of mailinator for developer use
Outlook Headers exposes the Internet Headers of emails.