On Fri, 16 Jul 2010, Charles Gregory wrote:

On Fri, 16 Jul 2010, Igor Chudov wrote:
 I receive a large number of spams from network IPs belonging to
 SharkTech, 70.39.69.99 or so and so on.

Does UBuntu use 'iptables' firewall? Throw it in there, and
forget even the wasted initial SMTP connections.

Better still, do what I would do and tarpit them.

http://www.impsec.org/~jhardin/antispam/spammer-firewall

--
 John Hardin KA7OHZ                    http://www.impsec.org/~jhardin/
 jhar...@impsec.org    FALaholic #11174     pgpk -a jhar...@impsec.org
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  jews (1930s), blacks (1960s), the poor (always)
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