RE: Receive and send email from different LAN' s

  • From: "Lomker, Michael" <mlomker@xxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Fri, 24 May 2002 09:23:43 -0500

> 5.5 installed. Is there any way where the users in the other 
> network be
> given email access without installing Exchange 5.5 in their 

Yes, of course.  You have two good options: 

1) Establish a trust relationship between the two domains and create mailboxes 
on your Exchange server for the members of the other domain.

2) Create a username/password for each outside user in your domain and make 
sure the passwords are kept the same on both domains (you'll be using 
passthrough authentication).

If you do not have a VPN then it will take some effort to allow the other group 
access to your server via Outlook (firewall/lmhosts/wins configuration can 
become complex).  Access through a POP/IMAP client wouldn't be too difficult.

The combination of a VPN and a trust relationship would be the simplest/best 

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