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Firewall Configuration

If your email server is behind a firewall, ask your IT person to allow incoming traffic from the following SaneBox system IP addresses to your email server:

  • 78.153.196.16/28 (CIDR Block)
  • 35.231.51.44

Actual IP addresses:
78.153.196.16
78.153.196.17
78.153.196.18
78.153.196.19
78.153.196.20
78.153.196.21
78.153.196.22
78.153.196.23
78.153.196.24
78.153.196.25
78.153.196.26
78.153.196.27
78.153.196.28
78.153.196.29
78.153.196.30
78.153.196.31
35.231.51.44

If you need any further assistance or have any questions, please feel free to open a support ticket by contacting us at support@sanebox.com