Hi,

A week ago we moved two of our 4 Exchange servers over to a private IP due
to a network redesign.  All 4 Exchange servers sit behind a bridgehead and
the other two are private IP's already.

Exchange Arch:
Inbound email to our domain comes into a SMTP bridgehead which delivers
directly to the Exchange server.  Outbound email from the Exchange servers
are directly sent to the bridgehead and send out to the Internet.

Exchange 5.5 with SP4.  
All same site and org.

These two Exchange 5.5 SP4 servers (After the re-ip) could receive inbound
email and send email within the enterprise to other Exchange servers and
recipients.  When we sent an email outbound to another domain it failed with
the following:

-----------------------
Your message did not reach some or all of the intended recipients.

      Subject:  test from internal
      Sent:     4/10/2002 10:26 PM

The following recipient(s) could not be reached:

      '[EMAIL PROTECTED]' on 4/10/2002 10:26 PM
            The recipient name is not recognized
        The MTS-ID of the original message is: c=US;a=
;p=Epicentric;l=SPEAR-020411052540Z-40
-----------------------
This is my personal email account and it failed each time to this and other
email accounts.  On the other hand, email from this external account to my
work email address succeeded.

I looked at the Event Logs and there was nothing on both servers after
observing these issues.

Myself and the Sys Admin installed SP4 and rebooted after this break.  Due
to the high nature of these servers we rolled back and were able to start
emailing outbound again.

I have looked at the following articles after this experience:

Q133403--seems best for our situation
Q193321
Q191014

The 'Site Addressing Properties' has the following info for each server:

Type:           Value:  Cost:           Connector:
SMTP            *;              1               Internet Mail Service
(Spear)
SMTP            *;              1               Internet Mail Service
(Lombard)
SMTP            *;              1               Internet Mail Service
(Presidio)
SMTP            *;              1               Internet Mail Service
(Lasalle)


My question(s) is/are:

-Should we recalculate routing on the two servers after the ip change or
before?
-Has anyone else had this issue and if so what did you do to resolve it?

Thank you,

Erik L. Vesneski
Epicentric, Inc.

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