Re: Exchange 4 Calendar only, Mail is externally, problem sending inte

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This article may give you some ideas:

http://support.microsoft.com/kb/321721/en-us

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"CPackard" <CPackard@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:ED481D05-30C6-4E3A-9411-BD2BCE67BA00@xxxxxxxxxxxxxxxx
I have a client who uses Exchange 2003 solely for The calendar sharing
functions. Their e-mail is hosted externally. They do not want to host
their
own mail. All of the Outlook 2003 clients are configured with the external
pop3 account and and internal Exchange account. The mail from the default
pop3 account on the client is delivered to the Exchange mailbox. The
problem
is when users try to send mail to someone inside of the company through
there
address book it does not send. When adding internal users to the address
book, the user populates the mail type as "EX" instead of SMTP. Therefore
when sending to someone internally the mail is sent as user@xxxxxxxxxxxx
instead of user@xxxxxxxxxxx It works if the user manually types the e-mail
address but not with the address book. When having to send to several
internal users at a time, it is difficult for the user. The default smtp
address in recipient properties is domain.com NOT domain.local. However
the
mail still does not go through because the client is sending with the
.local
address and the external mail server does not understand .local when
sending.
Sending to external users works fine. The problem is sending to internal
users. Sending with the global address book does not work. I am wondering
what is the best way to set up the Exchange server and the Clients so that
when mail is sent to someone internally from the address book or global
address book it does not leave the internal Exchange server and gets
delivered to the internal recipient mailbox but also sends to external
recipients. What should be the default account for sending on the
clients -
the external pop3 or exchange? Should Exchange be setup to forward all out
going mail to the external SMTP server? If so how do I configure this? Or
should Exchange be the outgoing SMTP server and forget about the external
SMTP server? Or should it relay to the external SMTP? The main goal is to
be
able to sucessfully send mail to internal users on the same Exchange
server
through the address book as well as external users. If that means sending
mail out to the external SMTP and having it come back then so be it.
Currently when sending mail to internal users from the address book does
not
work. It is pulling the .local address from exchange and trying to send
out
to the external smtp server with the .local address. The external smtp
server
does not understand the .local address. Any help would be greatly
appreciated!


.



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