}
my $cc = join(", ", unique_email_list(@cc));
+ my $ccline = "";
+ if ($cc ne '') {
+ $ccline = "\nCc: $cc";
+ }
$from = sanitize_address_rfc822($from);
my $header = "From: $from
-To: $to
-Cc: $cc
+To: $to${ccline}
Subject: $subject
Date: $date
Message-Id: $message_id