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Network Management Card User’s Guide 52
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Email Feature FRQWLQXHG
Email Recipients,
continued
Optimal Email Configuration Issues. It is recommended that you
select the
Local SMTP Server
option for the
Use SMTP Server
setting
for the following reasons:
• The Management Card will attempt to make a connection with
the selected server for up to 60 seconds. If the SMTP server
does not respond within that 60 seconds, the Email will not be
sent. Therefore, there is a higher probability that the
Management Card will be able to connect to a local SMTP
server than one across the Internet. This is especially true when
the remote SMTP server is handling large amounts of traffic,
like AOL or MSN.
Note: The Management Card has limited resources to queue
and transmit Email. Therefore, the Management Card
has relatively low time-out values, particularly when
compared to a workstation or server which has
hundreds of times more processing bandwidth and
storage.
• The local SMTP server will queue the Email and attempt to
send it several times to the remote SMTP server. When you
select the
Recipient’s SNMP Server
option, the Management
Card will only try to send the Email once.
When you select the
Local SNMP Server
option, as recommended, you
will need to enable forwarding at that server so that the server can route
Email to external SMTP servers. Typically, SMTP servers are not
configured to forward Email in order to prevent someone from using the
server to send SPAM.
Consult with your SMTP-server administrator before changing the
configuration of your SMTP server to allow forwarding. Besides direct
forwarding, you can set up a special Email account for the Management
Card. This account would then forward the Email to an external Email
account.