However, his point about the program's slightly risky, monolithic design is well taken, and cautious sites may wish to adopt Postfix (which is opensource licensed) or Qmail (which has an almost opensourcelicense) (see Resources).
For the National Day of Civic Hacking, participants will focus on producing full, production ready apps and visualization tools that will be featured on the We the People website and made available under an opensourcelicense.
Free of license restriction, opensource access acts as a basis for innovation, enabling motivated users to customize solutions for context-specific needs.