Roadmap

1. Email

1. SMTP

2. POP

3. IMAP

2. Security

1. SSL

2. TLS

3. JAAS

3. Mail Store

1. Paged Store

2. JDBC3 Store

4. Calendar

1. iCal

2. Cal-Dav

5. WebMail

1. Mail

2. Calendar

6. Administration

1. Graphically change and persist server configuration

Note

This is really just an outline of what you can clearly see in Java.