FalconMailer is a Java-based Mail API that can send emails quickly and efficiently. The API is easy to use and is much faster than the JavaMail. FalconMailer uses SSL.
Your own mailing system (most easiest to use with zero configuration) for the entire world (available in almost all the languages of the world) which will include Mail User Agent and Mail Transfer Agent thus trying to give maximum speed while transferrin
HIndi Mail Client in Java, can be extended as a editor and a plugin on web pages to mail and view mails in Unicode Devnagri Font. The Mail Client could be used to embed into a HTML page so that people need not install it to view and recieve mails.