From e792c11bfa4aeb49498f01f3d005d4d93d95d237 Mon Sep 17 00:00:00 2001
From: Daniel Berteaud <daniel@firewall-services.com>
Date: Tue, 19 Apr 2016 18:18:03 +0200
Subject: [PATCH] Prevent a "Use of implicit split" warning In the helo plugin.
 Full warn is: Use of implicit split to @_ is deprecated at
 /usr/share/qpsmtpd/plugins/helo line 524

---
 plugins/helo | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/plugins/helo b/plugins/helo
index 134372c..e25d2cf 100644
--- a/plugins/helo
+++ b/plugins/helo
@@ -521,7 +521,8 @@ sub check_name_match {
     my ($dns_name, $helo_name) = @_;
 
     return if !$dns_name;
-    return if split(/\./, $dns_name) < 2;    # not a FQDN
+    my @dots = split(/\./, $dns_name);
+    return if scalar @dots < 2;    # not a FQDN
 
     if ($dns_name eq $helo_name) {
         $self->log(LOGDEBUG, "reverse name match");