li...@rhsoft.net:
> http://permalink.gmane.org/gmane.mail.postfix.user/193458
>
> is it intentional that "header_checks" intended to remove pre-existing
> X-Envelope-From and X-Envelope-To also removes the own by access maps
> prepended (looks also to be the case for policyd-headers like Received-SPF)
There is nothing special about message modifications by one program
that prevents them from be modified/deleted by other programs.
> from *my* personal understanding of the docs i would assume that only by
> "smtp_header_checks"
I can assure you that there is no promise in the documentation that
message modifications by one program are somehow immune against
change by other programs, besides the gross hack so that Milters
can't observe the MTA's own Received: header.
Wietse
