diff --git a/group_vars/all.yml b/group_vars/all.yml
index b1e1a43..5cbee42 100644
--- a/group_vars/all.yml
+++ b/group_vars/all.yml
@@ -52,7 +52,7 @@ pgsql_server_port: 5432
 mariadb_server_ip: "10.0.0.3"
 mariadb_server_port: 3306
 smtp_hostname: "smtp.ionos.de"
-smtp_port: 465
+smtp_port: 587
 turn_server: "turn.ows.cx"
 turn_port: 443
 vault_turn_secret: !vault |
diff --git a/roles/nextcloud/templates/nextcloud.config.json.j2 b/roles/nextcloud/templates/nextcloud.config.json.j2
index f8cbcb8..7fc2a46 100644
--- a/roles/nextcloud/templates/nextcloud.config.json.j2
+++ b/roles/nextcloud/templates/nextcloud.config.json.j2
@@ -27,7 +27,7 @@
         "mail_smtpauth": 1,
         "mail_smtpname": "{{ nextcloud_smtp_user }}",
         "mail_smtppassword": "{{ nextcloud_smtp_pass }}",
-        "mail_smtpsecure": "ssl",
+        "mail_smtpsecure": "tls",
         "loglevel": 1,
         "logfile": {{ nextcloud_log_file | to_json }},
         "logtimezone": "Europe\/Berlin",