Wow, thanks for that perfect tip.
On June 27, 2016 5:15:52 PM GMT+02:00, Noel Jones <njo...@megan.vbhcs.org> wrote: >On 6/27/2016 3:39 AM, Zalezny Niezalezny wrote: >> Hi, >> >> using header_checks configuration we are dropping all outgoing >> E-mails except some of them. >> >> >> # discard all mails not going to cortalconsors.(de|fr) >> if /^to:/ >> !/^to:<?.*@(extern\.)?(domain)\.(com)>?$/ DISCARD discarded >> endif >> >> Following rules dropping all outgoing e-mails with recipeint domains >> different than >> >> extern.domain.com <http://extern.domain.com> >> domain.com <http://domain.com> >> >> When You sending an E-mail to: >> >> To:<zalezny.niezale...@gmail.com ><mailto:zalezny.niezale...@gmail.com>> >> >> Postfix dropping that E-mail. >> >> >> >> But when You will send an e-mail to two recipients >> >> To:<u...@extern.domain.com >> <mailto:u...@extern.domain.com>>,<zalezny.niezale...@gmail.com >> <mailto:zalezny.niezale...@gmail.com>> >> >> system will deliver both. >> >> >> >> >> Why system not dropping E-mail addressed to >> <zalezny.niezale...@gmail.com <mailto:zalezny.niezale...@gmail.com>> >> ? Its clear described in the rule, drop all except... >> >> >> I will appreciate for any help. >> >> >> >> >> With kind regards >> >> zalezny >> >> > > >The failure you're seeing when there are two addresses in the header >is because your expression only matches when there is a single >address. But header_checks is the wrong tool for this job; the To: >header does not control where mail is delivered. > >A more robust solution is to limit where postfix can deliver mail. > ># main.cf >default_transport = error:remote delivery disabled >transport_maps = hash:/etc/postfix/transport > ># /etc/postfix/transport >domain.com smtp: >extern.domain.com smtp: > > > >http://www.postfix.org/transport.5.html > > > > -- Noel Jones -- Sent from my Android device with K-9 Mail. Please excuse my brevity.