Small businesses may find the per-user licensing model expensive.

: Most "key generators" (keygens) found on third-party sites are disguised malware. These can lead to data breaches, identity theft, or ransomware attacks on your network. System Instability

of Kerio Control, providing full access to all features for testing purposes. Official Subscriptions

Kerio Control is sold via a subscription basis, which includes technical support and continuous updates.