Thanks, Wietse. I will have a look and I will post to the list with the solution.
Best regards, André On Sat, 2019-08-03 at 17:52 -0400, Wietse Venema wrote: > Andr? Rodier: > > Hello all, > > > > Is there a way to prepend a header in the received emails, > > according to > > the FROM and TO email address, with a script? > > You might be able to do that with http://www.postfwd.org/. > IIRC this is implemented in Perl, therefore easy to extend. > > > I have a list of email addresses in a text file, which has to be > > different for each user. > > In the case that postfwd cannot do this, your options are > > - Custom policy server. > > - Custom Milter. > > > Is there an option, for instance in header_checks, to use something > > like pcre:/etc/postfix/$recipient/headers_check.cf > > Each Postfix daemon opens tables before it handles requests. I would > not allow random strangers to control the pathname of files that > Postfix will open. > > > Or maybe an SQLite database would be enough. With a custom SQL > > query, I > > should be able to return the header to add, but how? > > Otherwise, I will start writing a custom milter. > > There are many options for doing that. > > Wietse
