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Exchange 2000 losing emails?

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5 replies

by numbies

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We have a client running a Windows 2000 SBS Server & have encountered a weird problem. They have 2 domains registered for email, the same name - say domain1 - with a .com extension and a .co.uk extension.

The server collects email using the POP3 Connector. The issue appears when an email is sent to a@domain1.com and another person b@domain1.co.uk. For some reason the message will only reach b@domain1.co.uk.

We have redirected emails for the 2 domains to seperate mailboxes before being collected and confirmed that emails are reaching the ISP's mailboxes before we collect them.

Any ideas?

5 replies

by cg it

I assume that one of the domain names is a subdomain of the other. That being the case, Exchange isn't seeing the subdomain name to effectively route incoming email to that subdomain. Check out your DNS structure, then check Exchange's DNS name order of precedence listing [via Exchange Manager]. All domain and subdomain names must be listed for Exchange to route.

by cg it

note: Exchange uses AD to replicate configuration and schema information throughout the organization. Exchange can not spam mulitple forests, but can multiple domains of a single forest.

by cg it

correction: a single Exchange service can not span multiple forests, but can multiple domains of a single forest.

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