I found email notification saying:
The spam filter daemon is unable to reach the database servers via HTTP. Please make sure that the device is able to send HTTP (TCP port 80) requests to the Internet. You may have to allow such traffic on upstream devices.
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System Uptime : 4 days 1 hour 6 minutes
System Load : 0.46
System Version : Sophos UTM 9.351-3
Please refer to the manual for detailed instructions.
this day it was hard to surf internet
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