Le 29/12/2010 21:33, Phil Howard a écrit : > On Wed, Dec 29, 2010 at 12:38, Noel Jones <njo...@megan.vbhcs.org> wrote: > >> In postfix, you can use a header_checks IGNORE rule to remove unwanted >> headers. Be careful that your rule only matches the exact header you want >> to remove. > > As I understand header_checks, it removes only what is already in the > message. When my "[127.0.0.1]:10025 inet n - n - - smtpd" (from > master.cf) instance gets a message from amavis, it inserts its own new > Received: header that I don't want. How could header_checks remove > that and not remove the one that was insert when the public facing > smtpd got the mail (that one I want to keep).
no, it will also remove the header that postfix itself adds. check the headers of _this_ message. > > >> Or just ignore the extra headers, that's what most everyone else does. > > I was trying to. It turns out to not be trivial. If I could find an > easier way to just not have them inserted at all, that would be > better. Otherwise I will have to do some C code to properly select > the desired headers. If I can stop amavis and the 2nd smtpd from > inserting more, then it's easy to just look at the first Received > header. The difficulty is because at a point after mail has already > been delivered (Dovecot deliver will have already delivered > somewhere), I'm looking for strings in the headers that the headers > from amavis and the 2nd smtpd will be false positive matches on. >
