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ISA Server Urgent Help - 23.Aug.2005 3:23:00 AM

egyfamily

Posts: 20
Joined: 12.Aug.2005
Status: offline

Dear All,

I have only here ISA 2000 server Connected to Internet using Satalite.
My E-mail server is hosted in USA and iam using POP3 Account.

I have the following questions which is confused me & i Hope i get Reply from You Guys.
======================================================================
On ISA server i Did the following:-

1. Enable Packet Filter & Enable also Intrusion Detection & IP Routing.
2. Intrusion Detection - Not Enable-.
3. PPTP-Not Enable.

then on the Protocol Rule, I made only one Rule and its allow , ALL IP-Traffic.

====================================================================

we are going to install Exchange server 2003 and we will install on it POP3 Downloader which is GFI and it will work to collect the E-mails from Outside & then will distribute them back internally here to the users.

Actually I install the exchange server on Test Machine and i already install GFI POP3 Downloader and configured it with the Real IP of MY POP3 Server , and the exchange configured to register him self in the DNS -Win2003- and then the DNS is Configured to use Root Hints to be able to browse the External Domains as well.

I found that the exchange server its working Perfect without any need to make any other IP-Packet filter at all , and i am really able to send & Receive External E-mails from outside.

Even i did not configure the Default SMTP Virtual Server or SMTP Connector.

So My questions is :-

Was i able to let the exchange server to send & Receive External E-mails because i already make a protocol rule that open every thing and All Protocols open ?

2- do i need to make any Publish My Exchange server to outside People or not, as long as all my users while they are in the office they only use the exchange server only & if they are outside they used to see there E-mails from Webmail of the Hosted Company , so i think i do not need.

3- is there any way to configure every thing to be behind the ISA server ? i mean instead of writing the Real IP of POP3 server in the GFI POP3 Downloader, i will only write the internal IP of ISA , and it should work , is that possible or not ?

4- Was the internal DNS able to see the external domains because there is Protocol rule for DNS which is Allow ?

thanks for your reply .