A couple of questions. Looking in the postfix generated Received: header, the SMTP id often has a few other letters included: ESMTPA etc. I am guessing that the extra letters mean:
E - EHLO used rather the HELO S - SSL was used in the connection A - the originator was authenticated Are there any others and how close am I? When the alias file pipes an email to a program, does it expect any response from that program, or would it do anything with a response? Thanks, -- Doug
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