Dennis Putnam:
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> Hi Wietse,
>
> Thanks for the reply. The problem is not with the VM connection
> (actually there is no VM active at this point) but rather with the VPN
> tunnel (tun0). I don't understand why the routing table would cause
> postfix to use virb0, rather than tun0 or enp0s25, but not other
> internet apps (i.e. browser is not using virb0). Something is different
> with postfix/SMTP.
>
> Postfix tries to use network 192.168.122.0 when tun0 is present.
No, Postfix does not chose the outbound interface. so stop saying
that. Postfix can choose only the source IP address; the destination
IP address determines where KERNEL will send the IP packets.
Wietse
