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From: Jim Seymour (jseymourLinxNet.com)
Date: Mon Jun 04 2001 - 16:14:56 CDT

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    Hi All,

    I'm told this is a "spammer trick." What I'm wondering is: is it? For
    example, the log shows:

        Jun 4 14:12:59 jimsun postfix/smtpd[24300]: reject: RCPT from
            unknown[63.100.231.36]: 450 Client host rejected: cannot
            find your hostname, [63.100.231.36]; from=<open2winOPTHOST.COM>
            to=<ebLINXNET.COM>

    and the next thing you know, the same email tries to sneak in via a
    backup MX. (Thank God [and Wietse] for header_checks :-).)

    I thought backup MX' were supposed to be used only when the primary MX
    was down?

    Regards,
    Jim 

    -- 
Jim Seymour                  | PGP Public Key available at:
jseymourjimsun.LinxNet.com  | http://www.uk.pgp.net/pgpnet/pks-commands.html
http://jimsun.LinxNet.com    |

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