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SurfControl RiskFilter - E-mail V5.2.4 Administrator’s Guide 25
S
YSTEM
S
ETTINGS
General
2
• Archive level – Define whether or not to archive files and what type of messages to archive if
archiving takes place:
–Select None for no archiving.
–Select All messages except then select the relevant check boxes if you want to archive, but
do not want to save this type of message.
• Directory to store messages – Define where you want the archived messages to be stored by
entering the path into the field.
• Days to keep messages – Leave this field blank to store messages indefinitely. If you enter a
number into this field, the log file will be deleted after this length of time has passed.
• Keep maximum storage size at ... MB and remove old ones on a FIFO basis – Specify that
once the storage size of isolated messages in the directory reaches a certain size then the oldest
will be deleted so that the newest can be stored.
5 Once you have entered all of the details that you need, click Submit.
CERTIFICATE
For an extra layer of security RiskFilter supports the use of TLS verification. This helps prevent devices
such as non-trusted routers from allowing a third party to monitor or alter the communications between
server and client. It also enables SMTP agents to authenticate each others identities, should this be
necessary. The RiskFilter server can receive messages transferred over TLS and can also send messages
via this protocol to particular domains.
For TLS to work, the domains that will use this TLS authentication must be listed in the Domain-based
Delivery screen. Certificates are managed in the General > Certificate > Certificate Management
screen.
Figure 2 - 14 The TLS Certificate Management screen
Notifications
When your certificate is due to expire, RiskFilter will send notifications until you import a new certificate.
When you see these notifications you need to import a new certificate. They are sent in the following order:
• 30 days before the expiry date.
• Once every week after the first notification.
• Every day during the last week before expiry.