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USER’S GUIDE
Switched Rack PDU
65
DNS servers
The Rack PDU cannot send any e-mail messages unless the IP address of
the primary DNS server is defined.
The Rack PDU will wait a maximum of 15 seconds for a response from the
primary or (if specified) the secondary DNS server. If the Rack PDU does
not receive a response within that time, e-mail cannot be sent. Therefore,
use DNS servers that are on the same segment as the Rack PDU or on a
nearby segment (but not across a WAN).
Once you define the IP addresses of the DNS servers, verify that DNS is
working correctly. Enter the DNS name of a computer on your network to
test whether you can look up the IP address for that DNS name.
SMTP settings
The Email option in the Network menu accesses the following settings:
Email Recipients
See DNS.
Setting Description
SMTP Server Defines the SMTP server by its DNS name.
N
OTE: This definition is required only when the SMTP Server option
(see Email Recipients) is set to Local.
From Address Defines the contents of the From field in the e-mail messages sent
by the Rack PDU.
N
OTE: The SMTP server’s configuration may require that you use a
valid user account on the server for this setting. See the server’s
documentation for more information.