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--- internet:mail:mailcleaner_customize [2021/12/07 08:23]
gcooper
+++ internet:mail:mailcleaner_customize [2024/01/09 09:12] (current)
gcooper
@@ Line 6: / Line 6: @@
 **Read This**: https://victorlclopes.medium.com/how-to-manage-and-customize-mailcleaner-2020-01-c13bbae12745
+**Default Settings**: https://www.mailcleaner.net/antispam/demo.html
 ===== InfoBox =====
@@ Line 12: / Line 14: @@
 https://support.mailcleaner.net/boards/3/topics/48
-===== Customize SpamAssassin =====
-<file>
-vim /usr/mailcleaner/share/spamassassin/99_custom_rules_scores.cf
-</file>
-===== Test Custom Rules =====
-<file>
-/usr/local/bin/spamassassin --siteconfigpath=/usr/mailcleaner/share/spamassassin/ -t -d < spam_sharepoint.eml
-</file>
 ===== Admin Web GUI =====
@@ Line 70: / Line 60: @@
   * ''login.css''
   * ''navigation.css''
+===== Freemail Domains =====
+It's probably best to blacklist them.
 ===== SpamC Score =====
@@ Line 90: / Line 84: @@
 https://support.mailcleaner.net/projects/support-user/wiki/SPF_Sender_Policy_Framework
+https://support.mailcleaner.net/boards/3/topics/64-spf-configuration
 You can adjust the SPF rule ''MC_SPF_SOFTFAIL'' by adding points or reducing points.
 **Configuration -> Domains -> domain.tld -> SpamC rules adjustments**
+===== Customize SpamAssassin =====
+<note tip>Copy customized rules to Mailcleaner cluster members.</note>
+<note tip>Using the MailCleaner Admin web interface, **restart the Filtering Engine service** after making rule modifications.
+</note>
+<file>
+vim /usr/mailcleaner/share/spamassassin/99_custom_rules_scores.cf
+</file>
+==== Test Custom Rules ====
+<file>
+/usr/local/bin/spamassassin --siteconfigpath=/usr/mailcleaner/share/spamassassin/ -t -d < spam_sharepoint.eml
+</file>
+==== 99_custom_rules_sharepointonline.cf ====
+/usr/mailcleaner/share/spamassassin/99_custom_rules_sharepointonline.cf
+FIXME I added sharepointonline.com as a freemail domain and added many points, so I changed this score to zero.
+<file>
+describe SENT_FROM_SHAREPOINT Add points to messages from sharepointonline.com
+header   SENT_FROM_SHAREPOINT From:addr =~ /no-reply\@sharepointonline\.com$/i
+score    SENT_FROM_SHAREPOINT 2.0
+</file>
+==== 99_custom_rules_scores.cf ====
+/usr/mailcleaner/share/spamassassin/99_custom_rules_scores.cf
+<file>
+score    DCC_CHECK       1.5
+score    ARC_SIGNED      0.001
+score    KHOP_BIG_TO_CC  2.0
+score    RCVD_IN_UCEPROTECT3  1.0
+score    FREEMAIL_FROM   3.5
+score    FREEMAIL_ENVFROM_END_DIGIT  1.0
+score    FREEMAIL_REPLYTO_END_DIGIT  1.0
+score    FREEMAIL_FORGED_REPLYTO  3.5
+score    FREEMAIL_REPLYTO  3.5
+score    FREEMAIL_REPLY  3.5
+score    MC_MANY_FREEMAIL_RCPT  3.5
+rawbody   GOOGLE_APIS   /https?:\/\/storage\.googleapis\.com/i
+score     GOOGLE_APIS   3.0
+describe  GOOGLE_APIS   Has a hyperlink that points to Google APIs
+header    DOMAIN_NUM    From =~ /\@.*\d.*\d.*/
+score     DOMAIN_NUM    2.0
+describe  DOMAIN_NUM    Domain name has 2 or more numbers
+header    LONG_SUBJECT  Subject =~ /.{120,}/
+score     LONG_SUBJECT  2.0
+describe  LONG_SUBJECT  Subject line is very long
+header    EMPTY_SUBJECT Subject =~ /^$/
+score     EMPTY_SUBJECT 1.5
+describe  EMPTY_SUBJECT Subject header exists but is empty
+header    ONMICROSOFT_FROM From =~ /onmicrosoft\.com/i
+score     ONMICROSOFT_FROM 3.0
+describe  ONMICROSOFT_FROM From header contains onmicrosoft.com domain
+</file>

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