Date: Sat, 10 Oct 2009 12:31:01 -0500 From: Kevin Kinsey <kdk@daleco.biz> To: FreeBSD Questions <questions@freebsd.org> Subject: Tcpwrappers, sendmail, and unknown hosts... Message-ID: <4AD0C4D5.1060308@daleco.biz>
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Seems like a lot of the spam we fight comes from hosts with no DNS entries. What about using this? ---------------------------------- $grep sendmail /etc/hosts.allow sendmail : KNOWN : allow sendmail : UNKNOWN : deny --------------------------------- Comments? anyone tried it? Kevin Kinsey DaleCo, S.P.
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