Take back control of your email with this mail server in a box
Open Source Email App for Android
Implementation of the OFTP2 protocol (RFC 5024)
Anti Spam SMTP Gateway
Strong Email & Apache Log Analysis with Active Security Features
Email Exchange of Secondary School Transcripts
MailSmsGateway is a simple interface between mailing and sms services.
Ciphermail email encryption gateway (S/MIME, OpenPGP, PDF encryption)
Encrypted Message Exchange
Provide a Java Mail Provider for Exchange-hosted mailboxes