Is there anybody knows how I can disable dns lookup on sending email by
sendmail?
I know that Solaris does not use /etc/mail/service.switch and I tried to add
the following option
O ResolverOptions=-DNSRCH
in /etc/sendmail.cf
However the sendmail deamon still tries to lookup dns, any solution?

By the way, is there any good hardening tools for Solaris? I tried to use
jass from Sun Microsystems. But I would like to try more hardening tools,
any suggestion? Thank you very much!

Brgds,
Henry

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