A very slow MS 4.62.2-3 & SA 3.2.1 & ClamAV 0.91 machine

[Gottschalk, David]

Oh, ok. I misunderstood that option.

Strangely, I turned DNS lookups back on and that box that was slow earlier in the week and it is fast now.

It has on average about 15-30 messages waiting in the inbound queue, but process times per message are still very fast (under 5 secs on average).

Earlier in the week, the inbound queue was just filling up all the way till the point I had 2,000+ messages waiting to be scanned.

David Gottschalk

-----Original Message-----
From: mailscanner-bounces at lists.mailscanner.info [mailto:mailscanner-bounces at lists.mailscanner.info] On Behalf Of shuttlebox
Sent: Thursday, July 12, 2007 3:04 PM
To: MailScanner discussion
Subject: Re: A very slow MS 4.62.2-3 & SA 3.2.1 & ClamAV 0.91 machine

On 7/12/07, Gottschalk, David <dgottsc at emory.edu> wrote:
> My understanding of the dns_available settings was merely to check if DNS was working properly before it attempted to do DNS checks.
>
> Do I not understand that setting correctly?

>From SA man page:
-->
dns_available { yes | test[: name1 name2...] | no } (default: test)
    By default, SpamAssassin will query some default hosts on the internet to attempt to check if DNS is working on not. The problem is that it can introduce some delay if your network connection is down, and in some cases it can wrongly guess that DNS is unavailable because the test connections failed. SpamAssassin includes a default set of 13 servers, among which 3 are picked randomly.

    You can however specify your own list by specifying

    dns_available test: server1.tld server2.tld server3.tld

    Please note, the DNS test queries for MX records so if you specify your own list of servers, please make sure to choose the one(s) which has an associated MX record.
<--

If you want to save time not doing the test, set it to yes. Do not set it to no unless you really don't have DNS service.

--
/peter
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