Jonathan Chen jonc at
Thu Apr 8 01:02:09 PDT 2004


Anyone else seeing this on their maillogs?

Apr  8 19:51:31 xxxxx postfix/smtpd[87109]: NOQUEUE: reject: CONNECT from[]: 554 Service unavailable; Client host [] blocked using; Open Relay See:; proto=SMTP

Querying the database reveals:

    Received: from ( [])
        by (Postfix) with ESMTP id 6C859DFACE
        for <relays at>; Wed,  7 Apr 2004 11:46:40 +1000 (EST)
    Received: from nemesis ( [])
        by (Postfix) with SMTP id 109A4555F1
        for <relays at>; Tue,  6 Apr 2004 18:46:09 -0700 (PDT)
        (envelope-from spamtest at
    To: relays at
    From: relays at
    Date: Wed, 07 Apr 2004 01:46:38 GMT
    Message-Id: <rlytest-1081302398-16860 at nemesis>
    Subject: open relay test

    Relay-Port: 25

    This message is a test probe for open relays.  If this is delivered
    back to SORBS your address will be added to the SORBS DNSbl.

    This relay test was initiated by the SORBS DNSBL
    (<matthew at>).

Jonathan Chen <jonc at>
    The Internet: an empirical test of the idea that a million monkeys
                banging on a million keyboards can produce Shakespeare

More information about the freebsd-chat mailing list