I wrote:As far as I know, no authentication information is passed from the "SMTP auth and msg reception" stage to the "local delivery" stage.
Sam Varshavchik <[EMAIL PROTECTED]> wrote:A succesfull SMTP authentication will have stuff record in headers.
Ah, so it seems I was in error. Sam, is it possible to fake these headers in messages submitted to Courier through SMTP?
No, as long as you are careful to only look at the second line of the very first Received: header; and you ignore all other Received: headers.
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