>I fixed the DNS and removed pyzor. I have had consistent 1s response since
then. I think that DNS is now OK and that the problem was with pyzor. I
appreciate the help.
Ok, but i'm a performance junkie and i didn't like that times :-P
Are you adjusting CACHESIZE?, this takes 24 hours to see the difference
between logs output.
>I think that my qmailctl restart did not really work as well as a
stop/start with a wait inbetween.
-MA
David Sánchez Martín wrote:
>
> The times of the two first DNS resolvers are UNACEPTABLE
>
> I tried doing telnet mail.wnx.com 25 and the first time take 15
> seconds to show me the helo message
>
> I tried again and taked 1 second to show me the helo message.
>
> First:
>
>
> How busy is your box? Doing a "top" will show you some statistics
>
> How much bandwith it sucks?
>
> Second:
>
>
> Try puting this on resolv.conf (216.31.146.10 is another box, doesn't
> it?)
>
>
> search webeasy.com
> nameserver 216.31.146.10
>
>
> If this improves performance the problem is certainly with your DNS
> conf on your box :-S
>
>
>
> -----Mensaje original-----
> De: Michael Amster [mailto:[EMAIL PROTECTED] Enviado el: jueves, 02 de
> noviembre de 2006 1:57
> Para: [email protected]
> Asunto: Re: [qmailtoaster] Still looking at slow smtp response
>
> [EMAIL PROTECTED] wrote:
>
>
>> BTW:
>>
>> Which is the output of this commands?
>>
>> dig txt surbl-org-permanent-test-point.com.sc.surbl.org
>>
>>
>>
> [EMAIL PROTECTED] spamassassin]# dig txt
> surbl-org-permanent-test-point.com.sc.surbl.org
>
> ; <<>> DiG 9.3.2 <<>> txt
> surbl-org-permanent-test-point.com.sc.surbl.org
> ;; global options: printcmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 50196 ;; flags: qr
> rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 14, ADDITIONAL: 0
>
> ;; QUESTION SECTION:
> ;surbl-org-permanent-test-point.com.sc.surbl.org. IN TXT
>
> ;; ANSWER SECTION:
> surbl-org-permanent-test-point.com.sc.surbl.org. 2100 IN TXT
> "sc.surbl.org permanent test point"
>
> ;; AUTHORITY SECTION:
> sc.surbl.org. 900 IN NS a.surbl.org.
> sc.surbl.org. 900 IN NS b.surbl.org.
> sc.surbl.org. 900 IN NS c.surbl.org.
> sc.surbl.org. 900 IN NS d.surbl.org.
> sc.surbl.org. 900 IN NS e.surbl.org.
> sc.surbl.org. 900 IN NS f.surbl.org.
> sc.surbl.org. 900 IN NS g.surbl.org.
> sc.surbl.org. 900 IN NS h.surbl.org.
> sc.surbl.org. 900 IN NS i.surbl.org.
> sc.surbl.org. 900 IN NS j.surbl.org.
> sc.surbl.org. 900 IN NS k.surbl.org.
> sc.surbl.org. 900 IN NS l.surbl.org.
> sc.surbl.org. 900 IN NS m.surbl.org.
> sc.surbl.org. 900 IN NS n.surbl.org.
>
> ;; Query time: 218 msec
> ;; SERVER: 216.31.146.10#53(216.31.146.10) ;; WHEN: Wed Nov 1
> 16:44:35 2006 ;; MSG SIZE rcvd: 335
>
> [EMAIL PROTECTED] spamassassin]#
>
>
>> dig txt surbl-org-permanent-test-point.com.sc.surbl.org @127.0.0.1
>>
>>
>>
>>
> [EMAIL PROTECTED] spamassassin]# dig txt
> surbl-org-permanent-test-point.com.sc.surbl.org @127.0.0.1
>
> ; <<>> DiG 9.3.2 <<>> txt
> surbl-org-permanent-test-point.com.sc.surbl.org @127.0.0.1 ; (1 server
> found) ;; global options: printcmd ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 268 ;; flags: qr
> rd ra;
> QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
>
> ;; QUESTION SECTION:
> ;surbl-org-permanent-test-point.com.sc.surbl.org. IN TXT
>
> ;; ANSWER SECTION:
> surbl-org-permanent-test-point.com.sc.surbl.org. 2100 IN TXT
> "sc.surbl.org permanent test point"
>
> ;; Query time: 202 msec
> ;; SERVER: 127.0.0.1#53(127.0.0.1)
> ;; WHEN: Wed Nov 1 16:45:09 2006
> ;; MSG SIZE rcvd: 111
>
> [EMAIL PROTECTED] spamassassin]#
>
>
>> dig txt surbl-org-permanent-test-point.com.sc.surbl.org @216.31.146.9
>>
>>
>>
> Doh. the service was not running on that machine after I did a restart.
> I will chkconfig it on. After a restart:
> [EMAIL PROTECTED] spamassassin]# dig txt
> surbl-org-permanent-test-point.com.sc.surbl.org @216.31.146.9
>
> ; <<>> DiG 9.3.2 <<>> txt
> surbl-org-permanent-test-point.com.sc.surbl.org @216.31.146.9 ; (1
> server
> found) ;; global options: printcmd ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 6713 ;; flags: qr
> rd ra;
> QUERY: 1, ANSWER: 1, AUTHORITY: 14, ADDITIONAL: 0
>
> ;; QUESTION SECTION:
> ;surbl-org-permanent-test-point.com.sc.surbl.org. IN TXT
>
> ;; ANSWER SECTION:
> surbl-org-permanent-test-point.com.sc.surbl.org. 2100 IN TXT
> "sc.surbl.org permanent test point"
>
> ;; AUTHORITY SECTION:
> sc.surbl.org. 86400 IN NS n.surbl.org.
> sc.surbl.org. 86400 IN NS a.surbl.org.
> sc.surbl.org. 86400 IN NS b.surbl.org.
> sc.surbl.org. 86400 IN NS c.surbl.org.
> sc.surbl.org. 86400 IN NS d.surbl.org.
> sc.surbl.org. 86400 IN NS e.surbl.org.
> sc.surbl.org. 86400 IN NS f.surbl.org.
> sc.surbl.org. 86400 IN NS g.surbl.org.
> sc.surbl.org. 86400 IN NS h.surbl.org.
> sc.surbl.org. 86400 IN NS i.surbl.org.
> sc.surbl.org. 86400 IN NS j.surbl.org.
> sc.surbl.org. 86400 IN NS k.surbl.org.
> sc.surbl.org. 86400 IN NS l.surbl.org.
> sc.surbl.org. 86400 IN NS m.surbl.org.
>
> ;; Query time: 2162 msec
> ;; SERVER: 216.31.146.9#53(216.31.146.9) ;; WHEN: Wed Nov 1 16:46:47
> 2006 ;; MSG SIZE rcvd: 335
>
>
>
>> dig txt surbl-org-permanent-test-point.com.sc.surbl.org
>> @216.31.146.10 [EMAIL PROTECTED] spamassassin]# dig txt
>> surbl-org-permanent-test-point.com.sc.surbl.org @216.31.146.10
>>
>> ; <<>> DiG 9.3.2 <<>> txt
>> surbl-org-permanent-test-point.com.sc.surbl.org @216.31.146.10 ; (1
>> server found) ;; global options: printcmd ;; Got answer:
>> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 64360 ;; flags:
>> qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 14, ADDITIONAL: 0
>>
>> ;; QUESTION SECTION:
>> ;surbl-org-permanent-test-point.com.sc.surbl.org. IN TXT
>>
>> ;; ANSWER SECTION:
>> surbl-org-permanent-test-point.com.sc.surbl.org. 1809 IN TXT
>> "sc.surbl.org
>>
> permanent test point"
>
>> ;; AUTHORITY SECTION:
>> sc.surbl.org. 609 IN NS n.surbl.org.
>> sc.surbl.org. 609 IN NS a.surbl.org.
>> sc.surbl.org. 609 IN NS b.surbl.org.
>> sc.surbl.org. 609 IN NS c.surbl.org.
>> sc.surbl.org. 609 IN NS d.surbl.org.
>> sc.surbl.org. 609 IN NS e.surbl.org.
>> sc.surbl.org. 609 IN NS f.surbl.org.
>> sc.surbl.org. 609 IN NS g.surbl.org.
>> sc.surbl.org. 609 IN NS h.surbl.org.
>> sc.surbl.org. 609 IN NS i.surbl.org.
>> sc.surbl.org. 609 IN NS j.surbl.org.
>> sc.surbl.org. 609 IN NS k.surbl.org.
>> sc.surbl.org. 609 IN NS l.surbl.org.
>> sc.surbl.org. 609 IN NS m.surbl.org.
>>
>> ;; Query time: 2 msec
>> ;; SERVER: 216.31.146.10#53(216.31.146.10) ;; WHEN: Wed Nov 1
>> 16:49:26
>> 2006 ;; MSG SIZE rcvd: 335
>>
>>
>>
>>
>>
> The service is still pretty slow - you can try doing a telnet
> mail.wnx.com
> 25 and see. Even after restarting named. Let me keep this running a
> while and get back to you on what I see. This has been useful.
>
>
>> Executed from the mail server? (The important is the time it takes)
>>
>>
>>
>>
>>
>>> Ok, so the problem is that the connection takes 20 seconds to begin?
>>>
>>>
>>> I mean, if you make a "telnet yourmailbox.com 25" from another hosts
>>> takes
>>> 25 seconds to do something?
>>>
>>> If this is the problem is related with DNS.
>>>
>>> I do use 7 lists myself, and the whole process takes 2 or 3 seconds
>>> when not cached.
>>>
>>>
>>> If you use dnscache, and you have a somewhat busy server please see
>>> "Measuring the effect of the cache size" in
>>> http://cr.yp.to/djbdns/cachesize.html to improve effectiveness of
>>> your cache.
>>>
>>>
>>> On the other hand:
>>>
>>> If this is not the problem it must not be a RBL problem.
>>>
>>> The problem should be with spamassassin.
>>>
>>> I do use razor2 and bayes (and SURBL), but not pyzor and DCC.
>>>
>>> Should you disable one that two (pyzor OR DCC) and see if there's
>>> any change?
>>>
>>> Then try with disabling the other.
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>> search webeasy.com
>>>> nameserver 127.0.0.1
>>>> nameserver 216.31.146.9
>>>> nameserver 216.31.146.10
>>>>
>>>> The machine is 216.31.146.9 but I have djbdns bound to 127.0.0.1
>>>> and BIND bound to 216.31.146.9
>>>>
>>>> [EMAIL PROTECTED] wrote:
>>>>
>>>>
>>>>
>>>>
>>>>> What is in your /etc/resolv.conf ?
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>> My timings are still showing about 20s to respond on my server.
>>>>>> I have the following in my blacklist file:
>>>>>>
>>>>>> -r relays.ordb.org -r dnsbl.antispam.or.id -r opm.blitzed.org -r
>>>>>> list.dsbl.org -r cbl.abuseat.org -r sbl-xbl.spamhaus.org
>>>>>>
>>>>>> My spamassissin local.cf looks like this:
>>>>>> ok_locales all
>>>>>> skip_rbl_checks 0
>>>>>> report_safe 1
>>>>>> lock_method flock
>>>>>> rewrite_header Subject [SPAM]
>>>>>> required_score 6.0
>>>>>> bayes_file_mode 0666
>>>>>> auto_whitelist_path /home/vpopmail/.spamassassin/auto-whitelist
>>>>>> use_pyzor 1
>>>>>> use_razor2 1
>>>>>> use_dcc 1
>>>>>> use_auto_whitelist 1
>>>>>> use_bayes 1
>>>>>> bayes_auto_learn 1
>>>>>> use_bayes_rules 1
>>>>>> bayes_auto_learn_threshold_spam 7.0
>>>>>> bayes_auto_learn_threshold_nonspam 0.1 bayes_auto_expire 0
>>>>>> bayes_path /home/vpopmail/.spamassassin/bayes
>>>>>> razor_config /home/vpopmail/.razor/razor-agent.conf
>>>>>> dcc_home /var/dcc
>>>>>>
>>>>>> Concurrency incoming is: 100
>>>>>>
>>>>>> I have taken the auto_expire off the spamassassin and move it
>>>>>> into a nightly cron. I think this slow response time is a reason
>>>>>> for getting multiple messages from certain services that see this
>>>>>> delay as a timeout...Plus it just sucks from the client point of
view.
>>>>>>
>>>>>> -MA
>>>>>>
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>>>>>> -----------------------------------------------------------------
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>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
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>>>>>
>>>>>
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BEGIN:VCARD
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N:Sánchez Martín;David
FN:[EMAIL PROTECTED] ([EMAIL PROTECTED])
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TITLE:Administrador de Sistemas
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