{{Note box|Some of the SBLList above are quite aggressive. As a result, genuine mail may be blocked. You should check your qpsmtpd logs at regular intervals to assess the impact of your selection. To reduce the amount of information presented in the logs, filter with "logterse".}}
{{Note box|Some of the SBLList above are quite aggressive. As a result, genuine mail may be blocked. You should check your qpsmtpd logs at regular intervals to assess the impact of your selection. To reduce the amount of information presented in the logs, filter with "logterse".}}
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A conservative (& some would consider safe) setting for RHSBL would be as follows:
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config setprop qpsmtpd SBLList dbl.spamhaus.org
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signal-event email-update</nowiki>
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This will enable the following SBL server for your system. Don't forget that RHSBL is '''disabled''' by default in SME!