I was just driving home from work when my boss called me from Japan. He needed me to download and edit a file for him right away. So I stop in a Starbucks and login to our e-mail server. I do this using a VPN called Juniper Network Connect. Once I open the VPN, I start Apple's Mail client and it connects to our mail server. I just spent twenty five minutes waiting for an 8 MB file. Ok, so Starbucks is slow. But the VPN software lists how many bytes it uploads and downloads. I had just left my office, so I only needed to download a single mail file. No other new mail had arrived. The 8 MB email arrived only after the Mail app downloaded a whopping 58.4 MB, and uploaded 5 MB! Why is the Mail app so inefficient, and does it always need to store six times more data than it actually needs? Does anybody know what's going on here? As always, I thank you in advance for your help.