fix: ensure Dovecot mailboxes and systemd override directories exist, and correct Postfix systemd override path

cmdeploy/src/cmdeploy/dovecot/deployer.py

@@ -137,6 +137,14 @@ def _configure_dovecot(config: Config, debug: bool = False) -> (bool, bool):
         disable_ipv6=config.disable_ipv6,
     )
     need_restart |= main_config.changed
+    files.directory(
+        name="Ensure mailboxes directory exists",
+        path=str(config.mailboxes_dir),
+        user="vmail",
+        group="vmail",
+        mode="750",
+        create_remote_dir=True,
+    )
     auth_config = files.put(
         src=get_resource("dovecot/auth.conf"),
         dest="/etc/dovecot/auth.conf",
@@ -182,7 +190,13 @@ def _configure_dovecot(config: Config, debug: bool = False) -> (bool, bool):
         line="TZ=:/etc/localtime",
     )
     need_restart |= timezone_env.changed
-
+    files.directory(
+        name="Ensure dovecot.service.d directory exists",
+        path="/etc/systemd/system/dovecot.service.d",
+        user="root",
+        group="root",
+        mode="755",
+    )
     restart_conf = files.put(
         name="dovecot: restart automatically on failure",
         src=get_resource("service/10_restart.conf"),

cmdeploy/src/cmdeploy/postfix/deployer.py

@@ -61,11 +61,17 @@ class PostfixDeployer(Deployer):
             mode="644",
         )
         need_restart |= login_map.changed
-
+        files.directory(
+            name="Ensure postfix@.service.d directory exists",
+            path="/etc/systemd/system/postfix@.service.d",
+            user="root",
+            group="root",
+            mode="755",
+        )
         restart_conf = files.put(
             name="postfix: restart automatically on failure",
             src=get_resource("service/10_restart.conf"),
-            dest="/etc/systemd/system/postfix.service.d/10_restart.conf",
+            dest="/etc/systemd/system/postfix@.service.d/10_restart.conf",
         )
         self.daemon_reload = restart_conf.changed
         self.need_restart = need_restart