[email protected]:
> Is it safe to expect headers prepended by a policy server to *ALWAYS* be
> listed before headers added by a milter?
Before a Milter modifies the message, the message structure is:
headers added by Postfix (Received, prepend actions)
headers from incoming message
headers added by Postfix (missing From, Date, Message-Id)
message body
Other than that, there are no promises about header order.
After Postfix has added its headers, Milters can insert headers
anywhere they want.
Wietse
