Entries should look like the example below, your actual DNSBL server host names and return codes may vary:Īllows you to set a maximum timeout for all DNSBL queries to complete. Click Enter multiple values in the Add window to specify all server names with their return codes. In this case we recommend that you add each server name and return code separately, so that you have a complete list. It will work with any return codes that are supported by the server.Īlternatively, you can specify a server name with a return code in a form of server:response (for example, :127.0.0.4). When adding Additional DNSBL servers, enter the server's domain name (for example, ). Is a list of DNS Blocklist (DNSBL) servers which are queried with domains and IP addresses extracted from the message body. Note that IPs on the ignored IP list do not count towards the RBL IP addresses limit. If the value is set to "0" an unlimited number of received headers are checked. Note that the total number of RBL queries will be the number of IP addresses in the Received: headers (up to a maximum of RBL maxcheck IP addresses) multiplied by the number of RBL servers specified in RBL list. This option allows you to limit how many IP addresses are queried against the RBL server. Maximum number of verified addresses against RBL If the value is set to "0" no timeout is enforced. RBL responses are only used from those RBL servers which respond in time. This option allows you to set a maximum time for RBL queries. Entries should look like the example below, your actual RBL server host names and return codes may vary: When using this format, we recommend that you add each server name and return code separately, so that you'll have a complete list. It will work with any return codes that are supported by the server.Īlternatively, you can specify a server name with a return code in the format server:response (for example. When adding Additional RBL servers, enter the server's domain name (for example.
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