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For each email attribute SpamAssassin checks, there is a numerical score. SpamAssassin is a prominent spam filter that scores emails using different spam detection techniques like authentication checks, content screening. The higher the score, the higher the likelihood an email is junk. SpamAssassin is free software, also called open source. A SpamAssassin score ranks the likelihood of an email being spam. One only test match will not mark it as spam. Usually, a message has to match multiple tests to be classified as spam. SpamAssassin sets the score threshold, which defines whether the message is spam or not.
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A positive value means that the message is "spam" and a negative value stands for non-spam.īy combining all the test scores, the program compiles a general score. In the program's documentation, these rules are called "tests." Each test has a particular value, which will be assigned to a message if it matches the criteria.
#Spamassassin dns score install
SpamAssassin probes for DNS TXT records when attempting to install or stage the rule updates. SpamAssassin applies a variety of rules that are used to detect whether mail is spam or not. channel '': no '' record found, channel failed Feb 20 07:39:01.908 30759 dbg: diag: updates complete, exiting with code 4 Update failed, exiting with code 4. URI blacklists which are tracking spam websites.Sender Policy Framework and Domain Keys Identified Mail.Hashcash email stamps based on proof-of-work.
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It examines many aspects of each E-mail and gives the message a score reflecting its.