Ahh, ok, so the answer is currently no. I would avoid any front end servers like that if possible :-)

ChrisP.

I mean Incoming MX server https://netwinsite.com/surgemail/help/incoming.htm

Incoming messages must be checked with the Backend server before accepting. It should have both from and rcpt address, however from in data command might be different with from in command but I think if there is some internal checking process between 2 servers it can create X-IsFriend at the Incoming MX server.

James 

On Tue, Sep 14, 2021 at 4:14 AM Surgemail Support <surgemail-support@netwin.co.nz> wrote:

No. it doesn't know who the destination users friends are if it's a
simple gateway.

Or do you mean a surgewall configuration? or forwarding?

ChrisP

On 13/09/2021 9:27 pm, James Bryan wrote:
> I can see it in local server only but not in gateway server.  Is it
> possible to add X-IsFriend in gateway server?
>
> This should be good features to identify spam if gateway can be check it.
>
> James