On Fri, Dec 10, 2021 at 08:49:08AM +0000, Claus Assmann wrote: > I am trying to run an SMTP server on a dynamic IP address > (and maybe other services later on, e.g., DNS or HTTP)
We recently published a comprehensive guide for running inbound and outbound SMTP from a dynamic IP via an IPSEC tunnel to a VM running OpenBSD: https://www.exoticsilicon.com/jay/smtp_via_ipsec_tunnels This might be of some use to you.
