Bump. :) Gary, please share how you do this! Thanks!
> > > How do you (make and) balance the calls to the AV servers? How do you
> > > (make
> > > and) balance the calls to the spamd machines? I am very interested in
> > > these
> > > details!
> >
> > We just call them in order case on the connection line. On two of the 4
> > SMTP gateways we use node 1 as the primary and node 2 as the secondary,
> > on the other two, just the opposite. I know this is the poor mans way
> > of doing this but we are lazy and haven't made our way to using
> > something like LVS.
>
> Please show how you do this. :) Please! :) For example, are you calling
> your AV backend with Postfix's content_filter setting? I'm not sure if/how
> it supports more than one host? Here is a simple one:
>
> content_filter = amavis:[123.456.7.8]:10024
>
> How do you point it to more than one place?
>
> Then for SA, are you using spamc and spamd with -d and -H options to use
> DNS-based round robin load balancing? Is the spamc in something like a
> global maildrop filter?
>
> How are you doing these things? I presume you are not using weighted load
> balancing?
>
> > > We are edging up to 95K a day now on only two machines. You can
> > imagine
> > > we
> > > are anxious to start using the other boxes we have rarin' to go!
> >
> > Ironically, when we first started this we had everything running on 4
> > machines and it started choking. So, we went with the two backend ends.
> > It chocked. Then we kicked the -m from 30 to 6. 6 is a small number
> > but it seems to be working fine. We have found for our environment that
> > 6 to 8 works well.
>
> I've seen the same thing. We started with a dedicated SA box and set it to
> 20 children and it just choked. It is not a slow box, either. There were
> comments on another thread a day ago that dedicated boxes can handle that
> many children, but our experience is that SA hums along much better at
> around
> the default, even on a beefy dedicated box.
>
> > > > We
> > > > recently upgrade all of the hardware to Dell Dimension 4700's with
> > 1.5gb
> > > > ram each. Budget was $5200.
> > > >
> > > > Machines are idle.
> > >
> > > Sweet. ;)
> > >
> >
> > And it was overall cheap
> >
> > > Why? Because your DNS costs to query your RBL list in Postfix is very
> > > heavy/slowing you down? Are you going to mirror just one chosen RBL
> > out
> > > there or a combination of several??
> > >
> > > Do you run DCC in your SA environment? If so, you are over their
> > > recommended
> > > limit for hosting a DCC server (we are nearing it - 100K a day I
> > think).
> > > Do
> > > you run a DCC server for yourself? Any issues to be aware of?
> > >
> >
> > It's on the TODO list. Item 629 I believe... :) There are other
> > pressing items to fix/work on. This is working great but will be
> > readdressed during the next maintenance upgrade (which is about every 90
> > days).
>
> Please elaborate on your RBL plans (and why you decided to do it). Thanks
> a
> TON!
>
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