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Re: Fallback if Amavisd-new not reachbale?

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  • Noel Jones
    ... Depends on how you re calling amavisd-new... - If you re using amavisd-new as an SMTP content_filter, you can edit your amavis master.cf entry something
    Message 1 of 2 , Jul 2, 2012
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      On 7/2/2012 10:24 AM, Marko Weber wrote:
      >
      > hello list,
      > is there a way to give postfix a fallback if amavid-new is not
      > reachable?
      >
      > situation: when amavis is down or not reachable, postfix should skip
      > to deliver to amavis
      > and skip this step.
      >
      > is there a way for this?
      >

      Depends on how you're calling amavisd-new...

      - If you're using amavisd-new as an SMTP content_filter, you can
      edit your amavis master.cf entry something like:
      # master.cf
      amavis ... smtp
      ...
      -o smtp_fallback_relay=[127.0.0.1]:10025

      where the destination is the same as your postfix reinjection interface.

      - If you're using amavisd-new as an smtpd_proxy_filter, you'll need
      to use some external process to see if amavisd-new is working, and
      if it fails, use "postconf -e ..." to turn off smtpd_proxy_filter
      and reload postfix. The "monit" tool can do this fairly easily;
      there are many other third-party monitor tools or build a little
      script yourself.

      - If you're using amavisd-new as a milter, just simply set
      # main.cf
      milter_default_action = accept


      And some unsolicited advice:

      Amavisd-new is very reliable and really shouldn't go down if the
      rest of the system is working properly. Might be better to monitor
      amavisd-new and raise an alarm (send an SMS via email or something)
      if there's a problem.

      If you're concerned about amavisd-new availability, you can set up a
      fallback amavisd-new server and point to it with smtp_fallback_relay.

      If you're willing to deliver unfiltered mail, why use a filter at all?





      -- Noel Jones
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