The mailing list must provide to the registered users information about the current state of Sophie 2.0, and give them opportunity to participate in the product's development.

 * Create several mail groups with different purposes: devs (about development process and internal problems) and users (about Sophie use) and add people

 * Maintain the groups

 * Answer to the mails

 * Send mails with current progress

 * Save archive with the old mails