Own-Mailbox is a personal email server you can run in your own home, with strong privacy protection measures integrated at its core. It provides self-hosted email addresses, or connects with your existing email address. In both cases, you can seamlessly send and receive encrypted emails from anywhere in the world, through the Own-Mailbox webmail interface, through a smartphone app, or using external email software (such as Thunderbird or Outlook).
PEPS is an email, file sharing and collaboration server that intends to fullfil the need for high-quality on-premises software that could rival with top-notch SaaS products such as Gmail or Dropbox, and innovate with new features.
Nowadays many companies and organizations (non-profits, units of governmental and educational institutions, etc) believe that running their own mail servers has become an impossible task, due both to the large amount of inbound spam and to the continuous attempts by spammers to send outbound spam through their mail servers. Companies often lack in-house technical resources to configure and run a mail server properly and deal with these threats. For these reasons, many organizations decide to outsource their email service to external entities.
OpenLDAP Software is an open source implementation of the Lightweight Directory Access Protocol.