CGnet, in Menlo Park, CA
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 >> >