[125325] in North American Network Operators' Group
Re: Carrier class email security recommendation
daemon@ATHENA.MIT.EDU (Suresh Ramasubramanian)
Mon Apr 12 12:28:31 2010
In-Reply-To: <4BC34899.8050000@bogus.com>
Date: Mon, 12 Apr 2010 21:58:16 +0530
From: Suresh Ramasubramanian <ops.lists@gmail.com>
To: joel jaeggli <joelja@bogus.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Scale it all. Then manage it centrally. Provision users. Manage
security. etc etc.
You use much the same IOS whether you run a router for a T1 or run
networks for a tier 1 :)
On Mon, Apr 12, 2010 at 9:51 PM, joel jaeggli <joelja@bogus.com> wrote:
>
> I build basically the same mail-system where is collapsed into a single box
> or spread out across a cluster.
>
> sendmail + clamav milter + milter graylist -> procmail -> spamd -> maildir
> delivery -> dovecot imap.
>
> When you need to scale the front end you deploy a load balancer and fire up
> more smtp boxes...
>
> When you need to scale the filestore you move it to nfs and divide and
> conquer.
>
> When you need to scale imap you shift it in front of the load balancer and
> deploy more boxes.
>
> For load balancer we used LVS back in the day.
>
> can replace sendmail with postfix or exim, it's mostly a place to hang the
> various on-connect filter regimes.
--
Suresh Ramasubramanian (ops.lists@gmail.com)
