Hi, My server is rejecting mail from one particular site with DENIED_RDNS_MISSING (although it passes a lot of mail correctly, and blocks a lot of mail that legitimately does not have an rDNS entry)...
01-14 22:27:28 spamdyke[31755]: DENIED_RDNS_MISSING from: <mailto:[email protected]> [email [email protected] to: <mailto:[email protected]> [email [email protected] origin_ip: 12.4.231.163 origin_rdns: (unknown) auth: (unknown) ...However, "dig" on the mail server returns an rDNS name: # dig -x 12.4.231.163 +short 163.128/25.231.4.12.in-addr.arpa. mailout1.klgates.com. I notice that this site does use a CNAME'd PTR, and there is mention of spamdyke having a problem resolving them in the archives, but it says that the problem was resolved long ago in 3.1.0 Any thoughts (or more info needed)? I'm using a vanilla qmailtoaster-plus install, and I installed Spamdyke straight from qtp-menu. Thanks, John Fedora Core 6 Qmailtoaster Plus (current updates) # /opt/spamdyke/bin/spamdyke --config-test spamdyke 4.0.10+TLS+CONFIGTEST+DEBUG (C)2008 Sam Clippinger, samc (at) silence (dot) org /etc/spamdyke/spamdyke.conf: #dns-blacklist-entry=zombie.dnsbl.sorbs.net #dns-blacklist-entry=dul.dnsbl.sorbs.net #dns-blacklist-entry=bogons.cymru.com dns-blacklist-entry=zen.spamhaus.org dns-blacklist-entry=bl.spamcop.net graylist-dir=/var/spamdyke/graylist graylist-level=always graylist-max-secs=2678400 graylist-min-secs=180 greeting-delay-secs=5 idle-timeout-secs=60 ip-blacklist-file=/etc/spamdyke/blacklist_ip ip-in-rdns-keyword-blacklist-file=/etc/spamdyke/blacklist_keywords ip-in-rdns-keyword-whitelist-file=/etc/spamdyke/whitelist_keywords ip-whitelist-file=/etc/spamdyke/whitelist_ip local-domains-file=/var/qmail/control/rcpthosts log-level=info log-target=stderr max-recipients=50 #policy-url=http://my.policy.explanation.url/ rdns-blacklist-file=/etc/spamdyke/blacklist_rdns rdns-whitelist-file=/etc/spamdyke/whitelist_rdns recipient-blacklist-file=/etc/spamdyke/blacklist_recipients recipient-whitelist-file=/etc/spamdyke/whitelist_recipients reject-empty-rdns #reject-ip-in-cc-rdns reject-missing-sender-mx reject-unresolvable-rdns sender-blacklist-file=/etc/spamdyke/blacklist_senders sender-whitelist-file=/etc/spamdyke/whitelist_senders tls-certificate-file=/var/qmail/control/servercert.pem
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