diff --git a/conf/stunnel.conf b/conf/stunnel.conf
deleted file mode 100644
index 3c859d2..0000000
--- a/conf/stunnel.conf
+++ /dev/null
@@ -1,7 +0,0 @@
-[Smtp-Starttls]
-client=yes
-accept = __PORT_SMTP__
-connect = 587
-
-protocol = smtp
-protocolAuthentication = plain
diff --git a/manifest.toml b/manifest.toml
index 4c5efcc..1b50376 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -62,15 +62,9 @@ ram.runtime = "200M"
     sync_client.auth_header = false
     sync_client.additional_urls = ["/Microsoft-Server-ActiveSync", "/principals", "/.well-known/caldav", "/.well-known/carddav"]
 
-
-    [resources.ports]
-    main.default = 20000
-    smtp.default = 20001
-
     [resources.apt]
     packages = [
         "sogo",
-        "stunnel4",
         "memcached",
         "mariadb-server",
     ]
diff --git a/scripts/install b/scripts/install
index 35dfd2c..900360c 100755
--- a/scripts/install
+++ b/scripts/install
@@ -58,7 +58,6 @@ chmod -R 750 "/var/log/$app"
 ynh_script_progression --message="Starting a systemd service..." --weight=1
 
 ynh_systemd_action --service_name="$app" --action="restart" --log_path="systemd"
-ynh_systemd_action --service_name="stunnel4" --action="restart" --log_path="systemd"
 
 #=================================================
 # END OF SCRIPT
diff --git a/scripts/upgrade b/scripts/upgrade
index 62d5b1b..f1be7c6 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -65,13 +65,14 @@ yunohost service add "sogo" --description="Groupware for E-Mail, Contacts and Ca
 # Use logrotate to manage app-specific logfile(s)
 ynh_use_logrotate --logfile="/var/log/$app/sogo.log" --nonappend
 
+set_permissions
+
 #=================================================
 # START SYSTEMD SERVICE
 #=================================================
 ynh_script_progression --message="Starting a systemd service..." --weight=1
 
 ynh_systemd_action --service_name="$app" --action="restart" --log_path="systemd"
-ynh_systemd_action --service_name="stunnel4" --action="restart" --log_path="systemd"
 
 #=================================================
 # END OF SCRIPT