Ryan Finnesey ryan.finnesey at
Wed Jun 8 02:29:21 UTC 2011

I would think licensing would be a large fee with any enterprise type product.  I wonder what the bandwidth requirements would be.


-----Original Message-----
From: Suresh Ramasubramanian [mailto:ops.lists at] 
Sent: Tuesday, June 07, 2011 10:24 PM
To: Santino Codispoti
Cc: nanog at
Subject: Re: Hotmail?

400k is easy enough to do with either high end enterprise or low end carrier grade products.

Or if you have the patience to do it, open source ftw.

The MTA isn't the criterion here as much as all the other stuff - bandwidth, storage, directory services, security / antispam ...


On Wed, Jun 8, 2011 at 7:43 AM, Santino Codispoti <santino.codispoti at> wrote:
> Does anyone happen to know what Microsoft using to delivery Hotmail?
> Is it Exchange?  Can anyone recommend a good system for developing web 
> mail services?  I need something that can easy support 400K users

Suresh Ramasubramanian (ops.lists at

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