Sorry Wietse, my bad you are correct. It is the MAIL FROM: I should have included the full line: 550 5.7.1 Client does not have permissions to send as this sender (in reply to MAIL FROM command))
I'm not sure of the difference honestly, or rather how I would filter this and replace it. --mike On Mon, Jun 6, 2011 at 2:58 PM, Wietse Venema <[email protected]> wrote: > Michael Way: >> Hi All, >> >> I have a setup where I use postfix to connect to my work smtpd >> exchange server via TLS encryption >> and normal login authentication. This smtpd server also requires that >> the "From" address in the email header >> is from the same user that authenticates, otherwise I get a: >> "Client does not have permissions to send as this sender" > > Why do you believe that it complains about the "From" address in > the email header, instead of the SMTP "MAIL FROM" address? > > Wietse >
