I have an existing Server 2000 running Exchange 2003SP2. I just added a second Exchange 2003SP2 server on a new Server 2003 R2 box. Both servers are on the same subnet on same domain. Also, both servers are running SurfControl V6 for SMTP. My mission is to migrate all the mailboxes from the old server to the new server then take the old server off line.
I moved 1 mailbox from old server to new server. From the migrated mailbox on the new server I can send and receive email to external addresses and receive email from domain members still on the old server. But when I try to send mail to a domain member with a mailbox on the old server I get:
There was a SMTP communication problem with the recipient's email server. Please contact your system administrator.
<exchange.domain.com #5.5.0 smtp;553 The sender is spoofed.>
"Exchange" is the new server.
This has got to be simple...any clues? Thanks.
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What I wrote in the second line would cause that. A smart host on the SMTP virtual server. If you have that set (probably to route email via SurfControl) or Surfcontrol has taken over port 25 then that can get in the way.
Exchange needs to communicate server to server on port 25 for email to flow correctly. If the product you are using is not Exchange integrated - so is taking over port 25 then it can cause problems.
I am not familiar with Surf Control, so you would need to speak to the vendor about how it should be configured when you have multiple Exchange servers.
Simon.
Business Accounts
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by: MesthaPosted on 2009-07-22 at 08:57:25ID: 24916576
That is not an Exchange message.
Therefore it is being generated by something else. AV, Antispam, something like that.
Ensure that you do not have a smart host set on the SMTP virtual server, if you need to send email out via another host then that should be set on an SMTP Connector.
Simon.