On Tue, 2007-10-16 at 11:33 -0400, Ken Schweigert wrote: Maybe try running a local copy of dnscache on the same box. Ive had a similar issue before and thats what I did to overcome the problem. Its not likely that your having exactly the same problem, but it would be worth a try and I do like running dnscache on the front end smtp servers now as they seem a bit quicker to respond. I also set a 5 second time out on the dns lookup.
Shane > Let me start with I have 5 other Shupp Toaster installs and all of > them work great. However, my 6th one is really starting to bake my > noodle. Short problem: it won't check against the RBLs I have > configured. Mail delivers just fine, but it's not blocking > connections from dynamic IPs which should be listed in the RBL. > > I use, generally, the same smtpd/run supervise script on all my boxes; > some have a whitelist, some don't, etc. Here is what I have on the > 6th box (sanitized) : > > [EMAIL PROTECTED] etc]# more /var/qmail/supervise/qmail-smtpd/run > #!/bin/sh > QMAILDUID=`id -u vpopmail` > NOFILESGID=`id -g vpopmail` > MAXSMTPD=`cat /var/qmail/control/concurrencyincoming` > exec /usr/local/bin/softlimit -m 25000000 \ > /usr/local/bin/tcpserver -v -H -R -l 0 \ > -x /home/vpopmail/etc/tcp.smtp.cdb -c "$MAXSMTPD" \ > -u "$QMAILDUID" -g "$NOFILESGID" aa.bb.cc.dd smtp \ > /usr/local/bin/rblsmtpd -t 20 -b \ > -a whitelist.mydomain.tld \ > -r "safe.dnsbl.sorbs.net:safe.dnsbl.sorbs.net - see > <http://www.au.sorbs.net/lookup.shtml?ip=%IP%>" \ > -r "combined.njabl.org:combined.njabl.org - see > <http://njabl.org/lookup?%IP%>" \ > -r "zen.spamhaus.org:zen.spamhaus.org - see > <http://www.spamhaus.org/query/bl?ip=%IP%>" \ > /var/qmail/bin/qmail-smtpd \ > /home/vpopmail/bin/vchkpw /bin/true 2>&1 > [EMAIL PROTECTED] etc]# > > I can't see anything wrong with the file, and I've even copy-n-pasted > the config from a known working server and it still won't query the > RBL. > > I've tested the rblsmtpd binary with the following command: > > [EMAIL PROTECTED] etc]# TCPREMOTEIP="61.144.178.252" /usr/local/bin/rblsmtpd > -t 20 -b -r safe.dnsbl.sorbs.net /bin/true > rblsmtpd: 61.144.178.252 pid 32658: 553 Dynamic IP Addresses See: > http://www.sorbs.net/lookup.shtml?61.144.178.252 > 220 rblsmtpd.local > > [EMAIL PROTECTED] etc]# > > This should at least tell me the binary is compiled right and that > there is connectivity to the RBL. > > I've also looked in /var/log/messages and 'dmesg' and don't see > anything unusual; no blocked packets by iptables to tcp/53, no error > messages. > > I've restarted the qmail-smtpd service multiple times but to no avail. > > The only thing that seems to help is if I manually add an entry to > '/home/vpopmail/etc/tcp.smtp' and rebuild the database. Then I see > rblsmtpd entries in /var/log/qmail/smtpd/current. > > I'm really at a loss as to why it's not working and would appreciate any > input. > > Oh, AMD-64 box with Redhat-ES-4. > > Thanks! > -ken
