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291483Re: setting up postscreen on a system with multiple external interfaces

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  • Erik Slagter
    Feb 21, 2013
      If I set up postscreen as closely as possible to the postscreen README
      document, I get this (diff to previous message) (I'm sorry lots of it
      has been folded). The log says "address already in use for 10.1.1.1",
      this is interesting because none of the changes involved 10.1.1.1.

      --- a 2013-02-21 16:37:18.348109048 +0100
      +++ b 2013-02-21 17:25:24.337265305 +0100
      @@ -8,7 +8,7 @@

      * Postfix logging

      -None relevant (really! the logging is exactly the same for postscreen
      and non-postscreen operation, up to the problem the problem occurs).
      +Feb 21 16:46:03 nemesis-vlan1 postfix/master[28268]: fatal: bind
      10.1.1.1 port 25: Address already in use

      * Postconf -n

      @@ -93,7 +93,7 @@

      * Postfinger

      -Postfinger - postfix configuration on do feb 21 16:32:28 CET 2013
      +postfinger - postfix configuration on do feb 21 17:24:49 CET 2013
      version: 1.30

      Warning: postfinger output may show private configuration information,
      @@ -178,7 +178,10 @@
      virtual_alias_maps = hash:/etc/postfix/virtual

      --master.cf--
      -mx1.ipv4.slagter.name:smtp inet n - n - 2 smtpd
      +smtp inet n - n - 1 postscreen
      +dnsblog unix - - n - 0 dnsblog
      +tlsproxy unix - - n - 0 tlsproxy
      +mx1.ipv4.slagter.name:smtp pass n - n - 2 smtpd
      -o myhostname=eriks.xs4all.nl
      -o smtpd_banner=mx1.slagter.name-ESMTP-$mail_name-mx1-ppp0-ipv4-25
      -o smtpd_tls_security_level=may
      @@ -187,7 +190,7 @@
      -o smtpd_proxy_filter=nemesis.ipv4:10025
      -o soft_bounce=no
      -o postscreen_cache_map=btree:$data_directory/postscreen_cache-ipv4
      -mx1.ipv6.slagter.name:smtp inet n - n - 2 smtpd
      +mx1.ipv6.slagter.name:smtp pass n - n - 2 smtpd
      -o myhostname=mx1.ipv6.slagter.name
      -o smtpd_banner=mx1.slagter.name-ESMTP-$mail_name-mx1-ppp0-ipv6-25
      -o smtpd_tls_security_level=may
      @@ -288,3 +291,6 @@
      -- end of postfinger output --
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