Understood. Would it be possible to have header_checks in main.cf that send mails with special subject with FILTER to smtp process that did not have policy service as option
and all other mails (/.*/) also with FILTER to smtp process with policy service? this way i can bypass policy service with special subject. Am Freitag, 4. Januar 2019 schrieb Bill Cole < postfixlists-070...@billmail.scconsult.com>: > On 4 Jan 2019, at 10:36, Stefan Bauer wrote: > >> Would it be possible to have FILTER as action in policy server > > Yes, but FILTER behaves as documented in the access(5) man page. The first 5 words there describing what FILTER does are critical, but you should read it all... > >> (in >> recipient_restrictions) and send it to smtp process that uses header_checks >> do have mailroute based on subject? > > There can be NO WAY to exempt a message from policy that would apply at RCPT time with facts that cannot be known until end-of-DATA time. Postfix cannot modify the basic constraints of non-quantum causality or the arrow of time or tell SMTP clients to re-order the fixed command sequence of SMTP. > > If you want to make any decisions about a message based on a header, you must do that with a tool (header_checks, milter, content_filter, or post-delivery backend) that has access to the message data because it operates at end-of-DATA or after queueing. >
