Quick Start Guide REX 200/250 3G | LTE
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7.2 Device configuration: Services – NTP server
For purposes of the internal system time of the REX 200/250, this carries out a com-
parison via a time server in the Internet at regular intervals. Where necessary, you
can individually set the preset NTP server entry and the interval.
Note:
Various functions in the myREX24 portal require a current time setting in the
REX 200/250.
7.3 Device configuration: Services - Mail settings
(relevant for Internet access via P1 WAN interface)
If you would like to use the function of the REX 200/250 for the automatic sending of
e-mails, port 25 (SMTP) may not be blocked in the firewall of the customer network.
You can also use alternative e-mail servers to send e-mails.