Exchange server and Internet
I would like to know about the following topics.
SMTP gateway: is this a regular windows server with SMTP service enabled(started).
is SMTP gateway used only if a company has more than one ISP provider ?
in which case do we need Smart host?
DNS forwarder: I have seen some environment where there is no DNS forwarder configured. how do they send email to internet users?
thanks
SMTP gateway: is this a regular windows server with SMTP service enabled(started).
is SMTP gateway used only if a company has more than one ISP provider ?
in which case do we need Smart host?
DNS forwarder: I have seen some environment where there is no DNS forwarder configured. how do they send email to internet users?
thanks
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ASKER
OK...
1- If DNS forwarder is empty, the Root hints will be used. Correct ?
2-SMTP servers: it can be windows 2003 server with SMTP services enabled. Correct??
3-The SMTP servers can be used when we have more than one ISP to route email to. Correct?
4-Smart host is the ISP that has our MX records, and we receive internet email through this smart host and we send through it . correct?
1- If DNS forwarder is empty, the Root hints will be used. Correct ?
2-SMTP servers: it can be windows 2003 server with SMTP services enabled. Correct??
3-The SMTP servers can be used when we have more than one ISP to route email to. Correct?
4-Smart host is the ISP that has our MX records, and we receive internet email through this smart host and we send through it . correct?
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ASKER
thanks
ASKER
you are saying that smtp gateway forward email to internet and not the other way around.
-can that be a regular windows server with SMTP services enabled?
-is it commonly placed in the DMZ?
-is every exchange server in the local LAN has the Default gateway IP address pointing to the SMTP gateway IP address?
DNS forwarder:
as I said if DNS forwarder is empty, how does the email go outside?
Smart host:
is this the ISP or domain provider where the domain and MX records are registered?
is the smart host kind of a relay? I mean email goes from exchange server to SMTP gateway to smart host then to the external recipient