Carlos Lopez writes:
Then I don't know what you mean by "black list query".by quering zen.spamhaus.org,cbl.abuseat.org,b.barracudacentral.org so courier can block bad IPs.You'll have to provide more information: what you set in your esmtpd configuration file, log files entries, etc.this is my esmtpd file: PATH=/usr/lib/courier/bin:/bin:/usr/bin:/usr/local/bin SHELL=/bin/sh ULIMIT=16384 BOFHCHECKDNS=1 BOFHNOEXPN=0 BOFHCHECKHELO=0 BOFHSPFFROM=all BOFHSPFTRUSTME=0 BOFHNOVRFY=0 NOADDMSGID=1 NOADDDATE=0 ESMTP_LOG_DIALOG=2 AUTH_REQUIRED=0 COURIERTLS=/usr/lib/courier/bin/couriertls TLS_KX_LIST=ALL TLS_CERTS=X509 TLS_CERTFILE=/.../.../.../.../courier_server.pem TLS_TRUSTCERTS=/etc/pki/tls/cert.pem TLS_VERIFYPEER=NONE PORT=smtp BLACKLISTS='-block=zen.spamhaus.org,BLOCK -block=cbl.abuseat.org,BLOCK -block=barracudacentral.org,BLOCK' DROP="-drop" ACCESSFILE=${sysconfdir}/smtpaccess MAXDAEMONS=40 MAXPERC=5 MAXPERIP=5 PIDFILE=/var/spool/courier/tmp/esmtpd.pid TCPDOPTS="-stderrlogger=/usr/sbin/courierlogger -nodnslookup -noidentlookup"Another thing is that not all of 172.0.0.0/8 is reserved for private use, only 172.16.0.0/20. There are plenty of perfectly routable netblocks elsewhere in 172.0.0.0/8, over the internetok I tried fixing it to: 172.16.0{TAB} allow,RELAYCLIENT,AUTH_REQUIRED=1,BOFHCHECKHELO=1,BOFHSPFTRUSTME=1,BOFHCHECKDNS=1 to test for one segment only and courier still does "Blacklist queries" from servers described on BLACKLISTS on file esmtpd.
How do you know that Courier is doing this -- what exactly do you see in maillog -- and did you run makesmtpaccess after making your changes to the smtpaccess file.
Don't paraphrase what you think is happening -- show it, by posting the verbatim log entries.
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