Access to internal Email from internet…….

265 pts.
Incident response
Intrusion management
Microsoft Exchange
Network security
Hi, I have an Exchange server behind the Isa Server and my users want to see their emails from home!!! I don't have public Dns server but we have A record and Mx record with valid IP in our ISP,now I want to forward my users Emails to their yahoo or msn Emails!!!but I could't because this option is unactive in my exchange(in ADCU exchange general and Delivery options)!!!!!!!!!!!??? Could you please help me? Thank you. Regards Mahnaz

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Well depending on how many users that you want to do this with; the way we do it is to create a new “contact” in the ADUC not a “user”. After you create the contact then go into the individuals that you want to forward the email to and adjust the delivery options to forward to the contact and we usually check the box to keep a mail on the server, so there is no “lost” messages. we also hide the new “contact” from the directory as this sometimes causes confusion as some internal users will send to the contact address only and circumventing your forwarding.
If you have any questions please feel free to contact me off list

Hope this helps…

David Elebute

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  • ddmanbw
    Create a webmail all your needs will be answered
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  • UGSMailMan
    Yes, why don't you just set up your ISA server for use with OWA (Outlook Web Access), put in a "front-end" Exchange 2003 server on a separate machine that will establish https sessions between the external browser session and the mailbox server (now called the "back-end" server in this scenario) and ask your ISP to add an alias to their DNS for your domain that will point the browser to the front-end server ( for example.) Part of the ISA rule for OWA will have to include routing port 443 traffic destined for to the front-end Exchange server. You need to utilize the "front-end" feature on an Exchange server because you want to protect your mailbox server from direct exposure to the internet. This will also give you the ability to enable your users to use Outlook and RPC over HTTP to connect to their mailboxes from the internet, without the aid of VPN client software.
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