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<DIV dir=ltr align=left><SPAN class=384594022-08062009><FONT face=Arial
color=#0000ff size=2>Doing any graylisting, greet-pause, or recipient address
verification? Stopping invalid messages at the MTA handshake level takes a
lot of the load off MailScanner...</FONT></SPAN></DIV>
<DIV><FONT face=Arial color=#0000ff size=2></FONT> </DIV><!-- Converted from text/plain format -->
<P><FONT size=2>...Kevin<BR>--<BR>Kevin
Miller
Registered Linux User No: 307357<BR>CBJ MIS
Dept.
Network Systems Admin., Mail Admin.<BR>155 South Seward
Street ph: (907) 586-0242<BR>Juneau, Alaska
99801 fax: (907
586-4500<BR></FONT></P>
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<FONT face=Tahoma size=2><B>From:</B> mailscanner-bounces@lists.mailscanner.info
[mailto:mailscanner-bounces@lists.mailscanner.info] <B>On Behalf Of </B>Zaeem
Arshad<BR><B>Sent:</B> Tuesday, June 02, 2009 7:42 PM<BR><B>To:</B> MailScanner
discussion<BR><B>Subject:</B> Re: Performance numbers for a DELL
R710<BR></FONT><BR></DIV>
<DIV></DIV><BR><BR>
<DIV class=gmail_quote>On Wed, Jun 3, 2009 at 12:47 AM, Martin Hepworth <SPAN
dir=ltr><<A href="mailto:maxsec@gmail.com">maxsec@gmail.com</A>></SPAN>
wrote:<BR>
<BLOCKQUOTE class=gmail_quote
style="PADDING-LEFT: 1ex; MARGIN: 0pt 0pt 0pt 0.8ex; BORDER-LEFT: rgb(204,204,204) 1px solid">Zaeem<BR><BR>nice.<BR><BR>depends
on the tests you run (RBLs etc) and the size of the emails.<BR><BR>look in the
wiki for performance and tuning on both MailScanner
and<BR>Spamassassin.</BLOCKQUOTE>
<DIV><BR><BR>I have a test box with the same specs but 8 Gigs of RAM. My
performance tuning so far has been<BR><BR>- tmpfs for message scanning<BR>- DNS
caching server on the same box<BR>- Lower timeouts on Postfix (another instance
handling retries)<BR>- Compiled rules on SA<BR>- DCC, Razor<BR>- Clamd<BR>-
Asyncrhonous logging<BR><BR>Filesystem underneath is XFS and average mailsize is
around 60KB. I have pretty much made all the changes suggested and currently the
server is handling around 45000 emails/hour. Do you think increasing the number
of MailScanner children might help? What other performance tweaks can I have? I
am looking to scale the system to handle at least 65 emails/second with
antivirus, antispam scanning and RBL checks.<BR><BR><BR>--<BR>Zaeem
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