On Fri, May 14, 2010 at 11:20:47AM -0700, Gary Smith wrote:

> May 13 04:08:33 host01 postfix/smtpd[10912]: lost connection after DATA from 
> unknown[82.178.110.201]

Listed on SpamHaus XBL and PBL

> May 13 04:08:34 host01 postfix/smtpd[10409]: lost connection after RCPT from 
> unknown[109.96.25.206]

Listed on SpamHaus XBL and PBL

> May 13 04:09:23 host01 postfix/smtpd[10301]: lost connection after RCPT from 
> unknown[190.107.112.194]

Listed on SpamHaus XBL

Unless these listings postdate your log entries, you should probably
not allow these clients to get as far as "DATA".

        reject_rbl_client zen.spamhaus.org

provided your traffic load is under the SpamHaus free access limit, and
your DNS is not slaved to an ISP or other public forwarder that handles
DNS for many different organizations.

-- 
        Viktor.

P.S. Morgan Stanley is looking for a New York City based, Senior Unix
system/email administrator to architect and sustain our perimeter email
environment.  If you are interested, please drop me a note.

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