RE: Users external to a domain accessing exchange mailboxes

  • From: "Mark Fugatt" <mark@xxxxxxxxx>
  • To: "'[ExchangeList]'" <exchangelist@xxxxxxxxxxxxx>
  • Date: Thu, 10 Jul 2003 16:54:35 -0400

Hi Jim

Yes, you would need a trust relationship between the domains, would it not
be simpler to let them use OWA to access the mailbox rather than
establishing trusts, they can do most things with OWA.

Mark Fugatt 
MCT, MCSE, Microsoft Exchange MVP 
Pentech Office Solutions Inc 
Tel:  585 586 3890
Cell: 585 576 4750
Fax:  585 249 0316 
www.4mcts.com 
www.exchangetrainer.com 

-----Original Message-----
From: Jim Origel [mailto:jim.origel@xxxxxxxxxxxxxxxxxxxx] 
Sent: Thursday, July 10, 2003 4:01 PM
To: [ExchangeList]
Importance: High

http://www.MSExchange.org/


Hi all, am scrapping the idea of IMAP I floated before but was hoping to
get clarification on one point.

1.  If domaina has 250 users distributed over 10 sites and using
Exchange with no relative problems via a VPN but at the 11th site users
belong to a different AD domain named domain b, can I have the users at
domain b access Exchange mailboxes at domain a without a trust
relationship.
2.  I configured an Outlook account at a pc in domain b to open a
mailbox in an Exchange server in domain a.  It resolved via DNS and
checked the name properly but the Outlook client only open with a set of
Personal Folders I have configured on pc in domain b.
3.  Both the PDC in domain a and b can see each other via a VPN
connection over the Internet with routing helping.
4.  Do I need to set up each domain to trust each other in just have
domain a trust domain b to let it use the exchange mailboxes?

Thank You and I need help on this one

Jim 

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