Solution
Marketplace
Zimbra
Deploy Zimbra on your own server: corporate mail, calendars and contacts — a full Google Workspace replacement without per-user fees. Port 25 open.
Mailcow
Install Mailcow in one click: a modern mail server with webmail, antispam and DKIM out of the box. Unlimited mailboxes, port 25 open.
FreePBX
Deploy FreePBX (Asterisk) in one click: your own business IP-PBX — extensions, IVR, call recording. No per-user fees.
Jitsi Meet
Deploy Jitsi Meet in one click: your own video conferencing without time or participant limits. Private company calls on your server.