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How do I
configure my Exchange 2000/2003 server
to accept e-mails for domains other than
my own?
Exchange 2000/2003 will
only accept e-mail traffic for the
e-mail domain that is identical to the
name of your Active Directory domain.
However sometimes we would like to allow
our Exchange server to also receive
e-mail for domains other than our own,
internal domain name.
For example, if you have
an AD domain called TEST.HOME and you've
installed Exchange 2000/2003 on it, each
and every mailbox enabled user, mail
enabled user, mail enabled group, mail
enabled contact and mail enabled Public
Folders you have will automatically have
an e-mail address of ALIAS@TEST.HOME.
One day you've decided
that you'd like to have an Internet
presence, so you bought TEST.COM and
you'd like to begin using it on your
Exchange server. You don't need to
rename your AD domain for that, but you
DO need to configure Exchange to receive
e-mail for the new domain, along with
the traffic you might have had for the
old domain name.
This example can also be
extended to instances where a company
has had it's Internet domain name
changed, or when one Exchange server is
used to host mailboxes for more than one
company.
Basically, Exchange can
handle hundreds of mail domains without
any problem (up to about 1000 domains),
so performance is usually not an issue.
In all of the above
examples you'll need to configure
Exchange to use new (or modified)
Recipient Policies to reflect the change
in the e-mail domain names. |
