Building an MS-SA box

[Randal, Phil]

And mount your volumes with "noatime" set too.

Cheers,

Phil
---------------------------------------------
Phil Randal
Network Engineer
Herefordshire Council
Hereford, UK

> -----Original Message-----
> From: MailScanner mailing list [mailto:MAILSCANNER at JISCMAIL.AC.UK]On
> Behalf Of Martin Hepworth
> Sent: 20 February 2004 15:54
> To: MAILSCANNER at JISCMAIL.AC.UK
> Subject: Re: Building an MS-SA box
>
>
> Mike
>
> the the order I'd do it...
>
> 1) make sure the MailScanner working area, "Incoming Work Dir" defined
> in MailScanner.conf, is on a tmpfs not a disk.
>
> 2) configure a caching nameserver on the MS box.
>
> 3) have a look at the "Max Children" ,"Max Unscanned Messages
> Per Scan"
> and "Max Unsafe Messages Per Scan". Altering these, esp the
> Max Children
> can have a big effect. Given you load average I'd consider lowing the
> Max Children - after 1 and 2 have been done. Mine's at 5, but I'm only
> running an single 600mhz, 8-9k messages a day.
>
> 4) RAM RAM and plenty of RAM..1-2GB is not unheard of in this list for
> your sort of message load.
>
>
>
> --
> Martin Hepworth
> Snr Systems Administrator
> Solid State Logic
> Tel: +44 (0)1865 842300
>
>
> MW Mike Weiner (5028) wrote:
> > Julian -
> >
> > I am back at it again, trying to build a decent spambox to
> throw in front of
> > our exchange server to help "save" it (LOL). Anyway, here
> is my basic
> > layout:
> >
> > Red Hat Linux release 9 (Shrike)
> > Linux spambox 2.4.20-28.9smp #1 SMP Thu Dec 18 13:37:36 EST
> 2003 i686 i686
> > i386 GNU/Linux
> > Running the following:
> >
> > Spamassassin-2.63-1
> > Mailscanner-4.26.8-1
> > Dcc-dccd 1.3.1
> > Razor (Clients and SDK) 2.36
> > Pyzor-0.4
> > Spammiliter-0.2
> > Milter-regex-0.2
> >
> > And it appears that SA and MS are playing quite nicely
> together, but I see a
> > lot of errors in the /var/log/maillog when this box gets
> busy. Is anyone
> > else running their system like this? This box does over 50k
> emails aday for
> > multiple domains and as such, the Load Average never goes
> below 4-5 on a
> > good day.
> >
> > My plan is to use LDAP to do the user authentication
> against the Exchange
> > server, thus making delivery rules and such easier to
> maintain and verify
> > real users and trash everything else.
> >
> > Looking for any suggestions on improvement of performance
> and load, in
> > particular, from admins that are using a system as
> described above. Any
> > ideas would be greatly appreciated.
> >
> > Thanks in advance
> > Michael Weiner
> > Senior Systems Administator, WebOps
> > AmericanGreetings.com
>
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