mail: put spam sieve scripts into /etc

modules/mail/default.nix

@@ -53,6 +53,18 @@ in
       '';
       mode = "0555";
     };
+    "dovecot/sieve/report-spam.sieve" = {
+      source = ./report-spam.sieve;
+      user = "dovecot2";
+      group = "dovecot2";
+      mode = "0544";
+    };
+    "dovecot/sieve/report-ham.sieve" = {
+      source = ./report-ham.sieve;
+      user = "dovecot2";
+      group = "dovecot2";
+      mode = "0544";
+    };
   };
 
   services = {
@@ -229,13 +241,13 @@ in
           # Spam: From elsewhere to Spam folder or flag changed in Spam folder
           imapsieve_mailbox1_name = Spam
           imapsieve_mailbox1_causes = COPY APPEND FLAG
-          imapsieve_mailbox1_before = file:/var/lib/dovecot/imap_sieve/report-spam.sieve
+          imapsieve_mailbox1_before = file:/etc/dovecot/sieve/report-spam.sieve
 
           # Ham: From Spam folder to elsewhere
           imapsieve_mailbox2_name = *
           imapsieve_mailbox2_from = Spam
           imapsieve_mailbox2_causes = COPY
-          imapsieve_mailbox1_before = file:/var/lib/dovecot/imap_sieve/report-ham.sieve
+          imapsieve_mailbox2_before = file:/etc/dovecot/sieve/report-ham.sieve
         }
       '';
     };

modules/mail/report-ham.sieve

@@ -0,0 +1,15 @@
+require ["vnd.dovecot.pipe", "copy", "imapsieve", "environment", "variables"];
+
+if environment :matches "imap.mailbox" "*" {
+  set "mailbox" "${1}";
+}
+
+if string "${mailbox}" "Trash" {
+  stop;
+}
+
+if environment :matches "imap.user" "*" {
+  set "username" "${1}";
+}
+
+pipe :copy "sa-learn-ham.sh" [ "${username}" ];

modules/mail/report-spam.sieve

@@ -0,0 +1,7 @@
+require ["vnd.dovecot.pipe", "copy", "imapsieve", "environment", "variables"];
+
+if environment :matches "imap.user" "*" {
+  set "username" "${1}";
+}
+
+pipe :copy "sa-learn-spam.sh" [ "${username}" ];