Syed Waqqas Ahmed waqqasahmed at
Wed Jun 8 02:28:51 UTC 2011

If you already have MS Exchange just use OWA (outlook web access)
feature to enable webaccess. but like suresh said its storage,
directory services and mail traffic that matters most.


On Tue, Jun 7, 2011 at 10:23 PM, Suresh Ramasubramanian
<ops.lists at> wrote:
> 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 ...
> --srs
> 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

More information about the NANOG mailing list