diff --git a/modules/nixos/services/nextcloud/default.nix b/modules/nixos/services/nextcloud/default.nix
index ecc522e..62f91ca 100755
--- a/modules/nixos/services/nextcloud/default.nix
+++ b/modules/nixos/services/nextcloud/default.nix
@@ -53,6 +53,7 @@ in
         mail_smtpmode = "smtp";
         mail_smtphost = localhost;
         mail_smtpport = smtp.ports.port0;
+        mail_smtpsecure = "";
         mail_smtpauth = false;
         mail_smtpname = smtp.hostname;
         mail_from_address = "noreply";