X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/b6df68c68ad86cafb9531bb6c25fac648d0e706b..b16c9f8bdcfd4cce490af9e493489e128f5c8f52:/src/src/transports/smtp.c

diff --git a/src/src/transports/smtp.c b/src/src/transports/smtp.c
index 6795a0b2c..8492a7f25 100644
--- a/src/src/transports/smtp.c
+++ b/src/src/transports/smtp.c
@@ -241,7 +241,7 @@ smtp_transport_options_block smtp_transport_option_defaults = {
   .tls_verify_cert_hostnames =	US"*",
 #endif
 #ifdef SUPPORT_I18N
-  .utf8_downconvert =		NULL,
+  .utf8_downconvert =		US"-1",
 #endif
 #ifndef DISABLE_DKIM
  .dkim =