From: Victor Duchovni (Victor.Duchovnimorganstanley.com)
Date: Fri Mar 20 2009 - 14:24:52 CDT

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On Fri, Mar 20, 2009 at 07:09:29PM +0000, Duane Hill wrote:

>> Though now I'm getting this error after sending bounce to pipe:
>> Mar 20 12:41:54 mail-dr postfix/pipe[10163]: warning: unexpected attribute
>> nrequest from bounce socket
>> (expecting: flags)
>> Mar 20 12:41:54 mail-dr postfix/pipe[10163]: warning: deliver_request_get:
>> error receiving common attributes
>> Mar 20 12:41:54 mail-dr postfix/qmgr[10151]: 9F2AF28E134: removed
>
> Sure. You just took out Postfix's ability to handle bouncing messages
> properly. Have you looked at the man page for bounce(8) to see what its
> purpose is and all it does?

DO NOT modify in any way the Postfix bounce(8) service entries in master.cf.
It is a critical internal service.

        bounce unix - - n - 0 bounce
        defer unix - - n - 0 bounce
        trace unix - - n - 0 bounce

The current list of critical services is:

    # critical internal services:

    pickup fifo n - n 60 1 pickup
    cleanup unix n - n - 0 cleanup
    qmgr fifo n - n 300 1 qmgr
    tlsmgr unix - - n 1000? 1 tlsmgr
    rewrite unix - - n - - trivial-rewrite
    bounce unix - - n - 0 bounce
    defer unix - - n - 0 bounce
    trace unix - - n - 0 bounce
    verify unix - - n - 1 verify
    flush unix n - n 1000? 0 flush
    showq unix n - n - - showq
    proxymap unix - - n - - proxymap
    proxywrite unix - - n - 1 proxymap
    anvil unix - - n - 1 anvil
    scache unix - - n - 1 scache

    # critical delivery agents:

    error unix - - n - - error
    retry unix - - n - - error

Do not modify the above except for "-o" options with "pickup" and
"cleanup" in some configurations. You can add, modify or delete the
various "normal" delivery agents or SMTP listeners:

    smtp inet n - n - - smtpd
    smtp unix - - n - - smtp
    relay unix - - n - - smtp
      -o smtp_fallback_relay=
    discard unix - - n - - discard
    local unix - n n - - local
    virtual unix - n n - - virtual
    lmtp unix - - n - - lmtp

--
        Viktor.

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