Hi,

In case you can access and configure your smtpd, i advice you using postfix, wich integrates native checks fighting well spam, especially strict rfc-compliant check.
A sample spam configuration can be found at http://www.revolsys.fr/postfix_nospam_sample.txt

cya :)

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I think we shoud upgrade from
Solaris 10 to SunOS 3.5

IcaruS
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