diff --git a/conf/config.ini b/conf/config.ini
index 65a451e..b34e4a6 100644
--- a/conf/config.ini
+++ b/conf/config.ini
@@ -176,7 +176,7 @@ force_tls=false
 ; Overriden by the KRESUS_EMAIL_REJECT_UNAUTHORIZED_TLS environment variable, if it's set.
 ; Example:
 ; reject_unauthorized_tls=true
-reject_unauthorized_tls=true
+reject_unauthorized_tls=false
 
 [notifications]