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-rw-r--r--modules/server/spectrum/postfix/default.nix1
1 files changed, 1 insertions, 0 deletions
diff --git a/modules/server/spectrum/postfix/default.nix b/modules/server/spectrum/postfix/default.nix
index 16c2acf95269..978cb47726e6 100644
--- a/modules/server/spectrum/postfix/default.nix
+++ b/modules/server/spectrum/postfix/default.nix
@@ -5,6 +5,7 @@
   services.postfix.enableSubmission = true;
   services.postfix.hostname = "atuin.qyliss.net";
   services.postfix.config.smtp_tls_loglevel = "1";
+  services.postfix.config.smtpd_forbid_bare_newline = true;
   services.postfix.config.disable_mime_output_conversion = true;
   services.postfix.sslCert = "/var/lib/acme/spectrum-os.org/fullchain.pem";
   services.postfix.sslKey = "/var/lib/acme/spectrum-os.org/key.pem";