> Could I set up WireGuard between the home server and VPS then have that handle sending out the email?
Yes, however wireguard protocol is easy to detect, my provider is blocking this protocol, so I use xray (which is not VPN, but can be used as bridge), it works great.
> What software stack would I need? Would this be something like postfix to postfix or…?
> Could I set up WireGuard between the home server and VPS then have that handle sending out the email?
Yes, however wireguard protocol is easy to detect, my provider is blocking this protocol, so I use xray (which is not VPN, but can be used as bridge), it works great.
> What software stack would I need? Would this be something like postfix to postfix or…?
As an option: try maddy, it is easy to setup.