OT: implementing RBL in sendmail
Terran Wright
wright at CYBERVALE.COM
Thu Jun 23 00:13:51 IST 2005
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Good day all,
Our setup is such that the Mailscanner box is the MX and it relays mails to
the actual email server, outgoing mails are sent directly from the mail
server. Based on what I've seen alot of mails bypass the MailScanner box and
the vast majority of them are Spam and contain infected files.
I added the following two lines to the sendmail.mc recently and did a
make -C /etc/mail
FEATURE(`dnsbl',`dnsbl.njabl.org',`"550 Mail from " $&{client_addr} "
rejected - see http://njabl.org/"')dnl
FEATURE(`dnsbl',`cbl.abuseat.org',`"550 Mail from " $&{client_addr} "
rejected - see http://cbl.abuseat.org/"')dnl
as recently as today I got a complaint about a mail that got through even
though the IP address was listed at cbl.abuseat.org any ideas guys?
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