diff --git a/modules/nextcloud/default.nix b/modules/nextcloud/default.nix
index 64f194a6..dba197c3 100644
--- a/modules/nextcloud/default.nix
+++ b/modules/nextcloud/default.nix
@@ -61,10 +61,10 @@
       mail_smtpauthtype = "PLAIN";
       mail_domain = "pub.solar";
       mail_smtpname = "admins@pub.solar";
-      mail_smtpsecure = "tls";
-      mail_smtpauth = 1;
+      mail_smtpsecure = "ssl";
+      mail_smtpauth = true;
       mail_smtphost = "mail.pub.solar";
-      mail_smtpport = "587";
+      mail_smtpport = "465";
 
       # This is to allow connections to collabora and keycloak, among other services
       # running on the same host