Show heuristic results within SMTP session logsĬlick this option to log the results of heuristic processing during SMTP sessions to the SMTP session logs.Ĭlick this option to display heuristic processing results inline with SMTP session transcripts. It is extremely rare that a legitimate message will have a score that high.
A rejection threshold of 10-15 will cause only messages that are almost certainly spam to be rejected. For most people, however, a spam score threshold of 5.0 will catch most spam, with relatively few false negatives (spam that slips through unrecognized) and rarely any false positives (messages flagged as spam that are not). You should monitor the spam filter ' s performance over time and refine both the spam and rejection thresholds to suit your need. Any message with a spam score greater than or equal to 10.0 will be rejected by MDaemon during the delivery process. If you have the spam score threshold set to 5.0 and the rejection threshold set to 10.0, then any message with a spam score that is greater than or equal to 5.0 but less than 10.0 will be considered spam and handled according to the rest of your Spam Filter settings. The default setting for this option is "12.0". If SMTP scanning is disabled then a queue-based scan will still be performed on the messages after they are accepted. Use "0" in this option if wish to disable scanning during the SMTP process, and if you do not want MDaemon to reject any messages regardless of their scores. Otherwise, a message would never be considered spam and have the rest of the Spam Filter ' s options applied to it - it would simply be rejected during delivery. The value of this option should always be greater than the value of the " A message is spam if its score. When a message ' s spam score is greater than or equal to this score it will be rejected completely rather than proceed through the rest of the options and possibly be delivered. Use this option to designate a spam score rejection threshold. SMTP rejects messages with scores greater or equal to XX (0=never) Any message with a spam score greater than or equal to this amount will be considered spam, and then the appropriate actions will be taken based on your other Spam Filter settings.
The value that you specify here is the required spam threshold that MDaemon will compare to each message ' s spam score. None of the other Spam Filter options on this screen will be available until this option is enabled.Ī message is spam if its score is greater or equal to (0.0-500.0) Check this box to activate the heuristic message-scoring, spam filtering system.
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