diff --git a/conf/.env.example b/conf/.env.example
index 4e99c76..a05c182 100644
--- a/conf/.env.example
+++ b/conf/.env.example
@@ -36,6 +36,7 @@ email.SMTPHost="localhost"
 email.SMTPPort="25"
 email.SMTPUser="__APP__"
 email.SMTPPass="__MAIL_PWD__"
+email.SMTPCrypto="tls"
 
 #--------------------------------------------------------------------
 # Cache configuration (advanced)