Zentyal is a Linux Small Business Server
A serverless email server on AWS using S3 and SES
An Asynchronous Pipelined Java client for Redis
Simple, modern & fast web-based email client
Multi-protocol server written in Java
Multi user address book application accessable through the web.
An extensible desktop mail app built on the modern web
A Free form-data to Email platform for anyone to use.
Secure mail + Tor gateway
Wrappers around msmtp for use as queueing MTA with extra features
IMAP to IMAP Copy
an 'auto-reply' bot for your mail server
CheckeredFlag is a super simple mail server.
An unofficial web console to administer Apache James 3 server
Business webmail modular application with mobile client
ImpraStorage provided a private imap access to store large files
javascript to convert thunderbird/seamonkey filters to sieve rules