Re: Speeding up Evo 2.0 and spamassassin

From: Mark Haney (mhaney_at_interactsys.com)
Date: 11/10/04

  • Next message: Fred Whipple: "Can Upgrade FC2 -> FC3 While Live?" 
    To: For users of Fedora Core releases <fedora-list@redhat.com>
Date: Wed, 10 Nov 2004 09:56:15 -0500

    On Wed, 2004-11-10 at 09:36 -0500, Scot L. Harris wrote:
    > On Wed, 2004-11-10 at 09:24, Mark Haney wrote:
    > > I typically get a couple hundred messages in my Inbox every morning at
    > > work. I upgraded to FC3 yesterday and didn't notice this issue, but
    > > pulling my messages down with spamassassin running is KILLING my speed.
    > > Is there any way (other than not using spamd) to speed this up a bit?
    >
    > If you are using a filter in your email client to run spamassassin you
    > should run that filter after you have processed mailing list messages.
    > Just make sure you stop processing your filters after moving the mailing
    > list messages to another folder.
    >
    > This bypasses spamassassin for messages which rarely contain spam and
    > only uses resources to check those that are more likely to be spam.
    >
    > If the bulk of the messages are not from mailing lists but are
    > legitimate email messages then you are just to popular. :)
    >
    > If on the other hand the bulk of these messages are spam and you have
    > control of the MTA they are being sent to then I recommend you implement
    > greylisting. This will prevent 95% or more of the spam messages from
    > ever getting on to your system. One system I implemented greylisting on
    > was getting 3000 to 6000 spam messages a day, after greylisting it was
    > getting 4 to 8 spam messages a day. I was seeing the system at times
    > getting bogged down trying to process all those spam messages through
    > spamassassin. It almost reached the level of a DOS attack. After
    > implementing greylisting the problem was resolved. Very few spam get
    > through and spamassassin has no problem tagging those.
    >

    Well I've got greylisting on our Exchange server (yeah I know, I hate it
    too), but I have spamd checking all incoming mail during checking. I
    guess I need to get into the guts of spamd and take a look around.

    >
    > --
    > Scot L. Harris
    > webid@cfl.rr.com
    >
    > It's hard to think of you as the end result of millions of years of evolution.
    >

    --------------------------------------
    Mark Haney
    Network Administrator
    InterAct Public Safety Systems
    mhaney@interactsys.com
    Fedora Core release 3 (Heidelberg) Kernel: 2.6.9-1.667 GNU/Linux
    09:54:58 up 1:57, 1 user, load average: 1.66, 1.77, 1.64 

    


    


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