Securepoint RC100 G5 Installationsanleitung Seite 46

Mailrelay, mail connector and mailfilter:
In order to ensure the best possible protection for e-mails, the mail connector
or, if the MX entry points to the firewall, the mailrelay should be used.
A separate mailserver is provided for these functions. The mail filter can then
be used to block the sender or quarantine spam as required. In addition, a
spam report can be generated for each user known to the appliance. The user
data can then be accessed via the user interface of the access to the
quarantined emails. A created mailfilter administrator can manage all emails
via the user interface.
You can find our recommendations for the mailfilter here:
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https://wiki.securepoint.de/UTM/APP/Mailrelay-Best_Practice
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