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SMTP VS greeting and FQDN - must it match the internal domain name?

exiscapital
exiscapital asked
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Last Modified: 2008-03-17
Situation: we have an internal domain name that is not what we are registered with. Similarly, our exchange server(2000) machine name different than our MX record, so the greeting did not match the dns MX record.

I researched how to change this, came up with a number of possible solutions. Eventually, I simply changed the FQDN and masquerade domain in the advanced delivery section of the Default SMTP VS. This has accomplished what I set out to do, which is to have the greeting match the MX record, however, I am wondering what its effect will be internally.

 If the domain's internal DNS server and zone are named differently, does it matter what the SMTP VS has as the domain and FQDN of the server? The MTA seems not to care as it is handling the mail flow and messages are flowing to the intended recipients(in and out). Is it the case that the VS is just an interface point, and that its configuration is independent?

any thoughts?

thanks.
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Expert of the Year 2007
Expert of the Year 2006
Commented:
If you simply changed the FQDN on the SMTP VS then it has no effect on internal email. It is recommended that you change it to match what the server is known as on the Internet so that any remote sites using it for lookup as part of their antispam tests get a valid result.

It is basically a display name, that is used in a few places when email is passed over the SMTP protocol.

Simon.

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