Commit files for public release

email.md

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+# E-mail
+
+Currently, we don't host our own e-mail services, but we with a [cyon](https://www.cyon.ch) webhosting.
+
+The login for the [cyon admin panel](https://my.cyon.ch/) may be found in pass.
+
+E-Mail accounts should be created in a `first.lastname@qo.is` fashion.
+
+Alias/forwarding Domains may be added on an best effort basis.
+Bills for these domains should go directly to the respective owner (i.e. should be registered with own accounts).
+
+
+## System E-mails
+
+For groups, systems, services that require e-mail access, other accounts may be created.
+
+- Engineering receives mails on `sysadmin@qo.is`
+- Servers send from `system@qo.is`
+- `no-reply@qo.is` is blackholed and may be used by services that don't handle replies.
+- Services include e.g. `vault@qo.is` for vaultwarden.