>> "GB" == George Bonser <[EMAIL PROTECTED]> writes:
GC> Is is possible that the MAIL FROM: command in the SMTP protocol is GC> responsible, and if so, is there any way to circumvent ? >> >> No, I never heared of a MTA changing the from or sender headers or >> such. It may do checks on the headers though (I belive exim can do this). GB> So can sendmail with the "Masquerade Envelope" feature. Sure, right answer, wrong context. It was about a intermediate MTA (the smarthost or such) changeing the From: oder Sender: Header when it doesn't meet the MAIL FROM: I would consider something like this broken. Ciao, Martin