We strongly recommend keeping both SpamAssassin and Mail Exchange filtering enabled and that if you are having trouble receiving some e-mails, see if Whitelisting can fix the problem.Apache SpamAssassin was created by Justin Mason, who had maintained a number of patches against an earlier program named x by Mark Jeftovic, which in turn was begun in August 1997. This is enabled by default, but can be disabled if you prefer.
: Our MX servers use a collection of techniques to reject and traffic shape messages from known spammers, exploited systems, and suspicious senders as well as enforce compliance with best common practices. General Configuration Mail Exchange Configuration If you receive lots of spam in foreign languages, and never get any non-spam in these languages, this setting may help. Locale and language character sets do not always correspond. : This setting determines which locales (country codes) are considered okay for incoming mail. SpamAssassin does not use RBLs to block e-mail, but to help determine a given message's score. : If this setting is checked, SpamAssassin will not perform checks against DNS-based Realtime Block Lists. The counts can be used to detect and filter spam or unsolicited bulk mail. This is a system of thousands of clients and more than 200 servers collecting and counting checksums related to over 130 million messages daily. : If this box is checked, incoming mail will be compared to known spam in the Distributed Checksum Clearinghouse (DCC). Razor2 is a distributed, collaborative, spam detection and filtering network, which uses a distributed and constantly updating catalog of spam in propagation that is used to filter out known spam. : If this option is checked, incoming e-mails will be compared to known spam in the Razor2 system. It can be very useful if you have spam messages being delivered directly to your inbox instead of graymail. : This option will rewrite the subject of the spam message to indicate that it has been marked as spam. The final option, to attach the original message as text/plain can be useful if you are using an e-mail client that loads attachments without any action from the end user. This ensures the spam is completely preserved, not easily opened and easier to recover. The second and default option is to create a new report e-mail and attach the spam as a message/rfc822 MIME part. The first option will only modify the header of the e-mail to show that it was marked as spam.
: This setting dictates how spam messages are delivered. If you change this amount, we recommend keeping an eye on spam e-mails for a couple of days to make sure you aren't getting any false positives. Before lowering the score, note that while the odds of catching spam will increase, you may also catch some legitimate e-mails in that net. : This is the number of points required for a message to be marked as spam.
This page has the bulk of SpamAssassin settings. Scrolling to the bottom of the page will allow you to reset all point values. There are links to customize the point value of the rule as well as reset it to default. If you would like to browse all rules, click on Show All Scores.Īll rules are listed with the name of the rule, the default point value, the custom point value if applicable (otherwise blank) and a description of the rule. If you know the specific rule you are looking for, you can search for it in the top bar. This is an advanced tool that let's you customize the specific point values assigned to SpamAssassin rules.
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