dovecot: update default config

dovecot/templates/z-evolinux-defaults.conf.j2

@@ -1,7 +1,10 @@
 # {{ ansible_managed }}
 
+# Autorise les mécanismes PLAIN/LOGIN même sans SSL/TLS
 disable_plaintext_auth = no
 auth_mechanisms = plain login
+
+# Authentification LDAP + intégration avec Postfix pour l'auth SMTP
 !include auth-ldap.conf.ext
 service auth {
     unix_listener auth-userdb {
@@ -16,38 +19,16 @@ service auth {
     }
 }
 
+# Stockage des emails dans /home/mail avec UID/GID 5000/5000
 mail_location = maildir:/home/vmail/%d/%n
 mail_uid = 5000
 mail_gid = 5000
 
+# Activation Sieve
 protocol lda {
     mail_plugins = sieve
 }
 
-service managesieve-login {
-  inet_listener sieve {
-    port = 4190
-  }
-
-  inet_listener sieve_deprecated {
-    port = 2000
-  }
-  service_count = 1
-  process_min_avail = 0
-  vsz_limit = 64M
-}
-
-service managesieve {
-
-}
-
-protocol sieve {
-  managesieve_max_line_length = 65536
-  mail_max_userip_connections = 10
-  mail_plugins =
-  managesieve_logout_format = bytes=%i/%o
-  managesieve_implementation_string = Dovecot Pigeonhole
-  managesieve_sieve_capability =
-  managesieve_notify_capability =
-  managesieve_max_compile_errors = 5
-}
+# Optimisations
+login_max_processes_count = 256
+mail_max_userip_connections = 42