lib/client.rb in navi_client-1.2.0 vs lib/client.rb in navi_client-1.2.1

@@ -89,12 +89,17 @@
 
   def process_email(mail)
     meta = Hash.new
     custom_uid = (Time.now.to_f * 1000).to_s + "_" + mail.__id__.to_s
 
+    invalid_to_email = mail.to.nil? || !mail.to.is_a?(Array)
+    return '' if invalid_to_email
+
+    invalid_cc_email = mail.cc.nil? || !mail.cc.is_a?(Array)
+
     meta["from"] = mail.from.first
-    meta["to"] = mail.to.join(";") unless mail.to.nil?
-    meta["cc"] = mail.cc.join(";") unless mail.cc.nil?
+    meta["to"] = mail.to.join(";")
+    meta["cc"] = mail.cc.join(";") unless invalid_cc_email
     meta["subject"] = mail.subject
     meta["date"] = mail.date.to_s
 
     if mail.multipart?
       for i in 0...mail.parts.length