diff --git a/01-setup.sh b/01-setup.sh
index 1faa66b..e91f6ff 100755
--- a/01-setup.sh
+++ b/01-setup.sh
@@ -141,6 +141,9 @@ MYVEMAIL_ADDMX=
 # Backup mail servers separated by commas
 MYVEMAIL_BACKUPMX=
 
+# Whitelist SPF
+MYVEMAIL_WHITELIST_HELO=
+
 # Whitelist domains separated by commas (eg. website.tld,web.website.tld)
 MYVEMAIL_WHITELIST_DOMAINS=