This is great for know spam sources, or for that aunt that keep sending you Facebook memes. Any mail from addresses or domains on your blacklist will be flagged as spam, regardless of content. What is a Blacklist?Ī blacklist is essentially the same as a whitelist, but in reverse. You can also add a domain name to your spam filter so that all mail from that domain is deemed safe. Well, almost never, unless the mail is very obviously spam. When it comes to email filters, a whitelist is a list of emails or domains that the user has assigned as safe and tells the spam filter to ignore these emails.įor example, if you have an important client that you need to receive emails from, you can add them to your whitelist so that their mail will never get flagged as spam. In computing, a whitelist is a list of allowed items. However most users are only going to be concerned with the Whitelists and Blacklists. This section will allow you to use Spam Assassin’s powerful platform to truly customize your spam filter to function best for you. If score is larger then the one set, the email is flagged as spam and the flag ****SPAM**** is added to the subject line (if you see this in your subject, SpamAssassin put it there). Once it finishes the scan, it will total up all of the items it flagged and compare that score with the score set by the user. When it finds something that seems off, it will assign it a score. For the most users,Īll that most users need to know is that it scans incoming mail, including the headers, looking for characteristics that could indicate that the mail is spam. You can find more technical details on how SpamAssassin works on their website. It uses a robust scoring framework and plug-ins to integrate a wide range of advanced heuristic and statistical analysis tests on email headers and body text including text analysis, Bayesian filtering, DNS blocklists, and collaborative filtering databases. Apache SpamAssassin is an open source platform used to filter and classify incoming emails and block potential spam emails.
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