G DATA Mail Protection
What outbound firewall permissions are required?
To retrieve portal information from our backend without issues, outbound TCP traffic on port 443 must be allowed.
If you experience problems displaying information retrieved in G DATA Web Portal, check your firewall settings.
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You can test the connection using Telnet, for example: Telnet mailprotection.gdata.de 443 A blinking cursor indicates a successful connection. Otherwise, an error Alert is displayed. |