Configure maildrop mailfilters

roles/mail/tasks/main.yml

@@ -9,6 +9,11 @@
   when: item not in uberspace_mail_domain_result.stdout_lines
   loop: "{{ mail_domains.get(ansible_facts.user_id, []) }}"
 
+- name: Set up .qmail file
+  copy:
+    content: "{{ ansible_facts.user_id }}-lukas"
+    dest: "{{ ansible_facts.env.HOME }}/.qmail"
+
 - name: Delete system Maildir
   file:
     path: "{{ ansible_facts.env.HOME }}/Maildir"
@@ -27,6 +32,22 @@
   vars:
     user: lukas
 
+- name: Create mailfilter config
+  template:
+    src: mailfilters/{{ ansible_facts.user_id }}.j2
+    dest: "{{ ansible_facts.env.HOME }}/.config/mailfilter"
+    mode: 0600
+
+- name: Use custom mailfilter in .qmail-default
+  copy:
+    content: "|maildrop /home/{{ ansible_facts.user_id }}/.config/mailfilter"
+    dest: "{{ ansible_facts.env.HOME }}/.qmail-default"
+
+- name: Delete Uberspace .spamfolder config
+  file:
+    path: "{{ ansible_facts.env.HOME }}/.spamfolder"
+    state: absent
+
 - name: Create qdated key
   command:
     cmd: qdated-makekey

roles/mail/templates/mailfilters/_common.j2

@@ -0,0 +1,57 @@
+# check if we're called from a .qmail-EXT instead of .qmail
+import EXT
+if ( $EXT )
+{
+  # does a vmailmgr user named $EXT exist?
+  # if yes, deliver mail to their Maildir instead
+  VUSER_DIRECTORY = `dumpvuser $EXT | grep '^Directory' | awk '{ print $2 }'`
+  if ( $VUSER_DIRECTORY )
+  {
+    MAILDIR="$HOME/$VUSER_DIRECTORY"
+  }
+  else
+  {
+    # no VUSER_DIRECTORY found, so let's check for a catchall
+    CATCHALL_TARGET = `dumpvuser + | grep '^Forward: ' | awk '{ print $2 }'`
+    if ( $CATCHALL_TARGET )
+    {
+      # there is a catchall mailbox, retrieve its directory
+      VUSER_DIRECTORY = `dumpvuser $CATCHALL_TARGET | grep '^Directory' | awk '{ print $2 }'`
+      if ( $VUSER_DIRECTORY )
+      {
+        MAILDIR="$HOME/$VUSER_DIRECTORY"
+      }
+    }
+  }
+}
+
+# check if the spam score is higher than our threshold
+if ( /^X-Rspamd-Bar: \+{$MOVESCORE,}$/ )
+{
+  # yes, move to Spam folder and exit
+
+  SPAMFOLDER="$MAILDIR/.Spam"
+
+  # make sure the spam folder actually exists
+  `test -d "$SPAMFOLDER"; or maildirmake "$SPAMFOLDER"`
+
+  to "$SPAMFOLDER"
+  # 'to' implies 'exit'
+}
+
+# forward to addresses from vmailmgr config
+VUSER_FORWARD = `dumpvuser $EXT | grep '^Forward: ' | awk '{ print $2 }' | tr '\n' ' '`
+if ( $VUSER_FORWARD )
+{
+  cc "!$VUSER_FORWARD"
+}
+
+# ensure that the vmailmgr user has mailbox delivery enabled
+VUSER_HAS_MAILBOX = `dumpvuser $EXT | grep '^Has-Mailbox: ' | awk '{ print $2 }'`
+VUSER_MAILBOX_ENABLED = `dumpvuser $EXT | grep '^Mailbox-Enabled: ' | awk '{ print $2 }'`
+if ( "$VUSER_HAS_MAILBOX" eq "false" || "$VUSER_MAILBOX_ENABLED" eq "false" )
+{
+  log "Local mailbox delivery explicitly disabled for this address"
+  EXITCODE=100 # hard error
+  exit
+}

roles/mail/templates/mailfilters/cddmail1.j2

@@ -0,0 +1,8 @@
+# config
+MOVESCORE=5                 # minimum spam score to move the email to the Spam folder
+MAILDIR="$HOME/users/lukas" # default Maildir
+
+{% include '_common.j2' %}
+
+to "$MAILDIR"
+# 'to' implies 'exit'

roles/mail/templates/mailfilters/cddmail2.j2

@@ -0,0 +1,26 @@
+# config
+MOVESCORE=5                 # minimum spam score to move the email to the Spam folder
+MAILDIR="$HOME/users/lukas" # default Maildir
+
+{% include '_common.j2' %}
+
+if ( $MAILDIR =~ /\/lukas$/ )
+{
+  # deliver GitHub notifications to the Kirby folders
+
+  `test -d "$MAILDIR/.Kirby2"; or maildirmake "$MAILDIR/.Kirby2"`
+  `test -d "$MAILDIR/.Kirby3"; or maildirmake "$MAILDIR/.Kirby3"`
+
+  if( /^List-Archive: https:\/\/github.com\/getkirby-v2\// )
+  {
+    MAILDIR="$MAILDIR/.Kirby2"
+  }
+
+  if( /^List-Archive: https:\/\/github.com\/getkirby\// )
+  {
+    MAILDIR="$MAILDIR/.Kirby3"
+  }
+}
+
+to "$MAILDIR"
+# 'to' implies 'exit'