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282638Re: Internal+external mailrelay

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  • Michael Maymann
    Jan 3, 2012
      Hi Ralf,

      Thanks again :-) !,

      If I keep relayhost there, it will still be possible to send mails to others than my "whitelisted" transport_maps, or will transport_maps make relayhost irrelevant (not working / commented out) ?

      I guess my
      <our_own_domain.com> smtp:<our_external_hosted_mailserver>
      should also be:
      <our_own_domain.com> relay:<our_external_hosted_mailserver>
      as my postfix server is not doing the mailservice for this domain, but our_external_hosted_mailserver is, so it should be relay here also right ?

      Thanks in advance :-) !
      ~maymann

      2012/1/3 Ralf Hildebrandt <Ralf.Hildebrandt@...>
      * Michael Maymann <michael@...>:
      > Hi Ralf,
      >
      > Thanks - I now have...
      > ---
      > /etc/postfix/main.cf:
      > # transport_maps = hash:/etc/postfix/transport
      > relayhost = [our_isp_mailrelay]
      >
      > /etc/postfix/transport:
      > #<our_own_domain.com> smtp:<our_external_hosted_mailserver>
      > #<servicepartner1> relay:<our_isp_mailrelay>
      > #<servicepartner2> relay:<our_isp_mailrelay>
      > #<servicepartner3> relay:<our_isp_mailrelay>
      > #<servicepartner4> relay:<our_isp_mailrelay>
      > #<servicepartner5> relay:<our_isp_mailrelay>
      > ---
      > When i put this to production, my config should be like this, right:
      > ---
      > main.cf
      > transport_maps = hash:/etc/postfix/transport
      > #relayhost = [our_isp_mailrelay]
      >
      > /etc/postfix/transport:
      > <our_own_domain.com> smtp:<our_external_hosted_mailserver>
      > <servicepartner1> relay:<our_isp_mailrelay>
      > <servicepartner2> relay:<our_isp_mailrelay>
      > <servicepartner3> relay:<our_isp_mailrelay>
      > <servicepartner4> relay:<our_isp_mailrelay>
      > <servicepartner5> relay:<our_isp_mailrelay>
      > ---
      >
      > All our mail are going through to our_isp_mailrelay today, so I no longer
      > need the "relayhost = [our_isp_mailrelay]" in main.cf when I have
      > configured transport_maps - or how does this work ?

      That looks OK.
      You can keep the relayhost line if you like; stuff found in
      transport_maps takes precedence anyway.

      --
      Ralf Hildebrandt
       Geschäftsbereich IT | Abteilung Netzwerk
       Charité - Universitätsmedizin Berlin
       Campus Benjamin Franklin
       Hindenburgdamm 30 | D-12203 Berlin
       Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962
       ralf.hildebrandt@... | http://www.charite.de


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