Specify an IP address or IP range or sender in block list

You can specify a single IP address, a range of IP addresses, or a single address to add to the block list.

Click Configuration > Transport (SMTP) scanning policy > Filtering > Block list and then click Add.

Specify an IP address or IP address range

Click Specify an IP address or IP address range. Enter an IP address or a range of IP addresses.

Specify sender

Click Specify Sender. Enter a sender address. You can use wildcards, such as '*' and '?'. E.g. *@company.com

Comment (Optional)

You can enter a comment for administrative purposes.

Note From the Manage changes menu, click Save changes to save your configuration.