6.
From the Device's Service section, click the Trial button for AS (Anti-Spam) service.
In this page, check the box of "I have read and accept the above Agreement". The system
will find out the date for you to activate this version of service. Then, click Next.
Note: CTCH means you can acquire anti-spam service from Commtouch.
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VigorPro 5510 Quick Start Guide