Policyd

Policyd is a multi-platform policy server for popular MTAs. Features include detailed policy and group specification, access control, helo checks (helo randomization prevention and RFC compliance), SPF, greylisting, quotas and amavisd-new integration.

Today’s small-to-medium-sized (SMB) businesses and large enterprises are saving on their monthly communications costs by making one simple decision: to switch to a VoIP service solution from their old, outdated Plain Old Telephone Service (POTS). By choosing a new VoIP service, these companies enjoy the flexibility, reliability, call features, and audio quality that only a VoIP service can provide. Plus, they cut their phone bill by up to 70%!