Add mtail support

README.md

@@ -76,6 +76,9 @@ Defaults:
 
     spamassassin_razor_config_dir: /etc/spamassassin/.razor
 
+    # Enable mtail
+    spamassassin_mtail_enabled: False
+
     # Enable spam training by users and domain
     # spamassassin_spamtraining_users:
     #    - domain: myfirstdomain.org

defaults/main.yml

@@ -125,6 +125,9 @@ spamassassin_razor_enabled: True
 
 spamassassin_razor_config_dir: /etc/spamassassin/.razor
 
+# Enable mtail
+spamassassin_mtail_enabled: False
+
 # Enable spam training by users and domain
 # spamassassin_spamtraining_users:
 #    - domain: myfirstdomain.org

files/mtail/spamassassin.mtail

@@ -0,0 +1,18 @@
+# SpamAssassin email classification (ham/spam) counters
+counter spamassassin_email_count_ham_total
+counter spamassassin_email_count_spam_total
+
+# SpamAssassin email by score counter
+counter spamassassin_email_count_by_score_total by score
+
+/$/ {
+  /spamd: (?:clean message|identified spam) \((?P<score>-?[0-9.]+)\/[0-9.]+\) for/ {
+    $score < 5 {
+      spamassassin_email_count_ham_total++
+    } else {
+      spamassassin_email_count_spam_total++
+    }
+
+    spamassassin_email_count_by_score_total[$score]++
+  }
+}

tasks/main.yml

@@ -106,3 +106,7 @@
 - name: Import razor tasks
   import_tasks: razor.yml
   when: spamassassin_razor_enabled
+
+- name: Import mtail tasks
+  import_tasks: mtail.yml
+  when: spamassassin_mtail_enabled

tasks/mtail.yml

@@ -0,0 +1,8 @@
+---
+- name: Install config
+  ansible.builtin.copy:
+    dest: /etc/mtail/spamassassin.mtail
+    group: root
+    mode: "0444"
+    owner: root
+    src: mtail/spamassassin.mtail