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293237Re: Snapshot 20130517

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  • /dev/rob0
    May 19, 2013
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      Still watching logs, this one just passed by. Probably unrelated to
      the changes in 20130517, but I was curious about it:

      May 19 13:24:20 harrier postfix/postscreen[3533]: CONNECT from [188.42.15.19]:48706 to [207.223.116.211]:25
      May 19 13:24:26 harrier postfix/postscreen[3533]: NOQUEUE: reject: RCPT from [188.42.15.19]:48706: 450 4.3.2 Service currently unavailable; from=<bounce@...>, to=<munged@...>, proto=ESMTP, helo=<mail18.consumer-news123.com>
      May 19 13:24:26 harrier postfix/postscreen[3533]: PASS NEW [188.42.15.19]:48706
      May 19 13:24:26 harrier postfix/postscreen[3533]: DISCONNECT [188.42.15.19]:48706

      All is well and good for a non-whitelisted host, but apparently it
      was too quick in coming back to the secondary MX IP address ...

      May 19 13:24:26 harrier postfix/postscreen[3533]: CONNECT from [188.42.15.9]:33610 to [207.223.116.214]:25
      May 19 13:24:26 harrier postfix/postscreen[3533]: WHITELIST VETO [188.42.15.9]:33610

      ... all in the same second, but according to syslog, sequentially
      after having earned whitelist status.

      May 19 13:24:32 harrier postfix/postscreen[3533]: NOQUEUE: reject: RCPT from [188.42.15.9]:33610: 450 4.3.2 Service currently unavailable; from=<bounce@...>, to=<munged@...>, proto=ESMTP, helo=<mail8.consumer-news123.com>
      May 19 13:24:32 harrier postfix/postscreen[3533]: DISCONNECT [188.42.15.9]:33610

      Another six seconds pass before this one is turned away, which
      suggests that the greet pause was repeated. Makes sense, because
      "WHITELIST VETO" means it was not seen before.
      --
      http://rob0.nodns4.us/ -- system administration and consulting
      Offlist GMX mail is seen only if "/dev/rob0" is in the Subject:
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