Business mailbox hosting
Your domain. Your mailboxes. Reputation that never leaves the public edge.
Customers register, verify a domain, and create mailboxes. SMTP, IMAP and webmail enter through a Postfix edge with a static datacenter IP. Storage stays on the home Mailu server over WireGuard.
Never send from home
Outbound mail leaves the public VPS. Recipients see that IPv4 and its PTR — never your home WAN.
Works behind CGNAT
The house opens a WireGuard tunnel to the edge. No FRP, no inbound ports, no ISP port-forward.
Held if home is down
Inbound SMTP is accepted on the VPS. If Mailu is unreachable, Postfix queues it and delivers when the tunnel is back.