Len Conrad wrote:


Dec 30 00:27:57 mx1 postfix/smtpd[48553]: ECF3C2A833: reject: RCPT from mk250.one-2.net[207.218.67.250]: 554 Service unavailable; Client host [207.218.67.250] blocked using bl.spamcop.net; Blocked - see http://www.spamcop.net/bl.shtml?207.218.67.250; from=<[EMAIL PROTECTED]> to=<xxx> proto=SMTP helo=<mk250.one-2.net>


That's interesting, yes, but I'm not aware of any way that you can take the IP of 207.218.67.9 (the IP the E-mail came from) and automatically look up the IP 207.218.67.250 (which isn't the IP address the E-mail came from). :)


You have to know where and how to look. I searched the maillog file for "207\.218\.67" and go three different IPs.

I rarely search for a single IP, always the Class C, so I can block the entire Class C.


But you do that only after confirming the entire class C belongs to the same organization, right?

We have a small subset of a class C (.240-.255) I'd be grumpy if my e-mail got thrown away because a mail admin once upon a time got spammed by a different sub-set of the same class C, and decided that everyone there must be a bad guy..

--
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The problem with the gene pool is there are no lifeguards
-Steven Wright
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Bud Durland, CNE                                   Mold-Rite Plastics
Network Administrator                           http://www.mrpcap.com
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