diff --git a/ruby/lib/jam_ruby/models/email_batch.rb b/ruby/lib/jam_ruby/models/email_batch.rb
index 02c729dda..37827efdc 100644
--- a/ruby/lib/jam_ruby/models/email_batch.rb
+++ b/ruby/lib/jam_ruby/models/email_batch.rb
@@ -13,7 +13,7 @@ module JamRuby
     VAR_LAST_NAME = '@LASTNAME'
 
     DEFAULT_SENDER = "noreply@jamkazam.com"
-    BATCH_SIZE = 5
+    BATCH_SIZE = 500
 
     BODY_TEMPLATE =<<FOO
 Hello #{VAR_FIRST_NAME},