diff --git a/hosts/falkenstein/modules/mail/postfix.nix b/hosts/falkenstein/modules/mail/postfix.nix
index 7cab1a4..3e695c4 100644
--- a/hosts/falkenstein/modules/mail/postfix.nix
+++ b/hosts/falkenstein/modules/mail/postfix.nix
@@ -40,7 +40,8 @@ in
         smtp_helo_name = config.networking.fqdn;
         smtpd_banner = "${config.networking.fqdn} ESMTP $mail_name";
         smtp_tls_security_level = "may";
-        smtpd_tls_security_level = lib.mkForce "encrypt";
+        # forcing encryption breaks rspamd
+        smtpd_tls_security_level = "may";
         smtpd_tls_auth_only = true;
         smtpd_tls_protocols = [
           "!SSLv2"