Re: Exchange 2003 Front-end design
- From: Rick Boza <rickb@xxxxxxxxxxx>
- To: Exchange List <exchangelist@xxxxxxxxxxxxx>
- Date: Fri, 17 Dec 2004 08:26:29 -0500
Care to share the service you are using? Also an idea of your mail volume
and the cost?
I'm always looking for good solutions I can validate and refer my customers
to.
On 12/17/04 3:30 AM, "Dan HINCKLEY" <dah@xxxxxxxxxxx> wrote:
> http://www.MSExchange.org/
>
> At 05:53 12/17/2004, you wrote:
>> http://www.MSExchange.org/
>> Currently trying to decide on the best Front-end deployment of Exchange
>> 2003 for our organization...
>>
>> I am leaning towards using windows 2003 server NLB (network load
>> balancing) on 3 servers in our DMZ. These three servers will all perform
>> SMTP Gateway, OWA with SSL, RPC over HTTPS duties and each will have GFI
>> Mail Security and Mail Essentials running on them... These servers will
>> not be clustered - at least they will not share an external NAS or SAN
>> device for storage. They will rely on their own disk stores individually.
>>
>> A little info about our domain..
>> - I am estimating no more than 50 to 75 OWA users at any time. RPC over
>> HTTPS will be used sporatically at best. We receive on average 4 million
>> e-mails per month, 85% of which is marked as SPAM.
>
> one small point here: we now pay for an external spam filtering service,
> and it removes 85-90% of the spam w/no false positives. It is quite
> wonderful how this drops the load on your ES infrastructure. It also means
> we can limit SMTP connections to the IP of the filtering service.
>
>> I expect this number to drop drastically when GFI is installed on the
>> Exchange 2003 FE servers and can reject emails destined for non-existent
>> e-mail addresses on our domain.
>>
>>
>> Regards,
>>
>> Chris Wall
>> Sr. Exchange Administrator
>> MCSE, MCSA
>> T - 919.460.3236
>> F - 919.468.4889
>>
>> Global Knowledge Network
>> LEARNING. To Make a Difference
>> http://www.globalknowledge.com
>>
>
>
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