New MS install is slow to an extreme

Julian Field MailScanner at
Wed Apr 2 18:48:03 IST 2008

Start by
    MailScanner --debug --debug-sa
to see where the holdups are.
Check you haven't got a screwed SpamAssassin cache as well.

DAve wrote:
> Not certain what is wrong here. I did a fresh clean install of FreeBSD 
> 6.2, Julian's MS tarball and Julian's SA and Clam tarball. Everything 
> went well, everything runs. But, now I am seeing batches like this.
> MailScanner[58796]: New Batch: Found 2907 messages waiting
> MailScanner[58796]: New Batch: Scanning 30 messages, 306454 bytes
> MailScanner[56909]: Batch completed at 790 bytes per second (398241 / 
> 503)
> MailScanner[56909]: Batch (30 messages) processed in 503.55 seconds
> Previously we had maybe 4 messages per batch and processed them in 2 
> to 6 seconds. The current time to scan is killing me.
> mailscanner-install-4.67.6-1.tar.gz
> install-clam-0.92.1-sa-3.2.4.tar.gz
> SA plugins enabled, all others disabled = AutoLearnThreshold, Check, 
> Shortcircuit, Bayes, BodyEval, HTMLEval, HeaderEval, MIMEEval, 
> RelayEval, URIEval, WLBLEval, Rule2XSBody, ImageInfo, URIDNSBL.
> All SA rules have been compiled.
> Bayes is enabled.
> I have "skip_rbl_checks 1"
> shortcircuit ALL_TRUSTED           on
> shortcircuit BAYES_99              spam
> shortcircuit BAYES_00              ham
> In MS I have the following, I can send a complete conf if needed.
> Max Children = 10
> Queue Scan Interval = 5
> Virus Scanners = clamavmodule
> Delivery Method = batch
> I don't zip attachments, I don't use MCP, I don't use Watermarks. I 
> think I have done everything I can for speed, but I am losing ground.
> I am running a local caching name server on each MS server.
> Not sure where to go from here.
> DAve


Julian Field MEng CITP CEng
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MailScanner customisation, or any advanced system administration help?
Contact me at Jules at Jules.FM

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