After upgrading from Fedora 18 to Fedora 19, spamdyke
(4.3.1+TLS+CONFIGTEST+DEBUG) does not seem able to do RDNS lookups any
more. I have not have much luck finding any previous reports on this
error. The error is pretty much the first thing that happens when
spamdyke is called - increasing the log level does not (appear to)
produce more useful information.
The issue seems to be related to a call to sendto(udp_socket,
question...) in dns.c, but I cannot figure out where the permission
denied comes from... Anybody has an idea how to debug this?
/var/log/maillog:
Jan 24 19:38:56 tiger spamdyke[15519]: ERROR: unable to send data
packet, tried to send 45 bytes: Permission denied
Jan 24 19:38:56 tiger spamdyke[15519]: ERROR: unable to send data
packet, tried to send 55 bytes: Permission denied
Jan 24 19:39:01 tiger spamdyke[15519]: ALLOWED from: x...@gmail.com to:
y...@zzz.dk origin_ip: 209.85.215.182
$ dig -x 209.85.215.182
; <<>> DiG 9.9.3-rl.13207.22-P2-RedHat-9.9.3-14.P2.fc19 <<>> -x
209.85.215.182
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 57481
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;182.215.85.209.in-addr.arpa. IN PTR
;; ANSWER SECTION:
182.215.85.209.in-addr.arpa. 79846 IN PTR mail-ea0-f182.google.com.
;; Query time: 11 msec
;; SERVER: 208.67.222.222#53(208.67.222.222)
;; WHEN: Fri Jan 24 19:51:34 CET 2014
;; MSG SIZE rcvd: 94
$ cat /etc/resolv.conf
; generated by /sbin/dhclient-script
nameserver 208.67.222.222
nameserver 208.67.220.220
I have these uncommented lines in spamdyke.conf:
dns-blacklist-entry=bogons.cymru.com
dns-blacklist-entry=dul.dnsbl.sorbs.net
dns-blacklist-entry=zombie.dnsbl.sorbs.net
graylist-dir=/var/qmail/control/spamdyke/graylist
graylist-level=always-create-dir
graylist-max-secs=1814400
graylist-min-secs=300
greeting-delay-secs=5
idle-timeout-secs=300
ip-whitelist-entry=127.0.0.1
local-domains-file=/var/qmail/control/rcpthosts
log-level=info
reject-ip-in-cc-rdns
reject-unresolvable-rdns
sender-blacklist-entry=_none@_none
I have disabled these; otherwise everything is rejected:
#reject-empty-rdns
#reject-missing-sender-mx
/etc/xinetd.d/qmail-smtpd:
# default: on
# description: The qmail smtp daemon
#
service smtp
{
flags = NAMEINARGS IPv4
socket_type = stream
protocol = tcp
wait = no
user = qmaild
id = smtp
server = /usr/sbin/tcpd
server_args = /var/qmail/bin/tcp-env -R -t5 spamdyke -f
/etc/spamdyke.conf /var/qmail/bin/qmail-smtpd
# server_args = /var/qmail/bin/tcp-env -R -t5
/var/qmail/bin/qmail-smtpd
log_on_success += DURATION
log_on_failure += USERID
}
Output from spamdyke --config-test /var/qmail/bin/qmail-smtpd :
SUCCESS: Tests complete. No errors detected.
Any input is much appreciated!
--
Paul Matthias Diderichsen
mobile: +31 652 466 414
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