I have this milter that sits on a server which is not directly
connected to the internet. Instead there is an internet facing firewall
mail server in front of it which has all the usual defences. There are
many reasons for this, some of which are just my preferences.
Anyway, I use the XFORWARD capability of Postfix to pass the original
client address and other bits from the firewall mail server to the
server with the milter. This server also has content filters and
XFORWARD works well with those. However, the milter does not which is
mostly the fault of the milter. It appears to use "i", "j" and
"{auth_authen}".
Question: If I were to enhance this milter so that it asks for
"{client_addr}", would it be provided with the orig_client_addr
(XFORWARD) or would it be provided with the ip address used by the
firewall server to deliver the mail from the firewall to the internal
server? I have the impression from the documentation that it is the
latter.
Thanks, Anton
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