diff --git a/hosts/cube/nextcloud/default.nix b/hosts/cube/nextcloud/default.nix
index d18e640..02dbe0f 100644
--- a/hosts/cube/nextcloud/default.nix
+++ b/hosts/cube/nextcloud/default.nix
@@ -80,6 +80,8 @@ in systemConfiguration {
     settings = {
       default_phone_region = "TR";
 
+      # Even with manual SMTP configuration, Nextcloud fails to communicate properly
+      # and fails to send mail. PHP moment?
       # mail_smtphost     = "::1"; # FIXME: Will need to use SMTP.
       # mail_smtpmode     = "sendmail";
       # mail_from_address = "cloud";