Mambo is the #1 photo uploader to automatically backup your photos to your SmugMug account.
Users in 130+ countries have backed up.
... It's AWESOME!! I have tens of thousands of pictures...and they are now successfully uploaded to SmugMug.
At Better, Inc (owner of the mamboupload.com service), protecting your privacy and the privacy of anyone receiving your email is very important. These policies are for the purpose of making mambo safe and appropriate for all.