On Sun, Aug 30, 2020 at 11:54:19PM +0100, dave wrote:
> That would be great if it works.
You mean that would be a double-barrelled shotgun you aim at your feet,
sure...
> It may be easy to forge, but it can be harder to guess depending on what
> name I choose?
>
> But you both mention relay - is that in the loose sense of the word? I
> don't need to relay it do I? Just permit?
Mail to your own domains is permitted by default. You don't need to
"permit" specific sender domains. It is sending to other people's
domains (relaying) that requires access control. The rest of the
access policy is then about blocking inbound spam and the like.
Now you for some reason report that your Raspberry Pi client is
not a stable client IP on your network. If you take it with
you on the road, you'll need either a VPN back to an internal
network, a client cert or SASL auth.
--
Viktor.
