# mailgateway > **Docs live on Discourse โ€” this repo is the executable source of truth.** > **Topic:** https://community.turnsys.com/t/322 > **Redmine:** https://projects.knownelement.com/issues/696 ยท **Split from** KNEL/PFVCluster@041d311 per [#769](https://projects.knownelement.com/issues/769) Outbound-only Proxmox Mail Gateway pair (VM 604 tsys6, VM 711 tsys7; NO inbound/MX ever โ€” founder ruling). VIP smtp.knel.net plan + fleet SMTP submission. Environment map: Discourse topic below. [\#696] ## Layout - `scripts/` โ€” rule engine + hooks (see `bash scripts/check-rules.sh --fast`) - (imported content at repo root, mirroring its PFVCluster path layout) ## Provenance Code imported from KNEL/PFVCluster (041d311); full git history retained in PFVCluster. Enforcement layer copied per ADOPTING.md. IaC consumers: KNEL/KNELIAC references this repo.