Hotmail Exchange revealing BCC recipients to all
I've had the Hotmail ActiveSync working on my iPhone for a few weeks now and I love it. HOWEVER, it appears that there are still some serious kinks to work out. Whenever I send a message the Exchange server is NOT stripping off the BCC headers from the email. So, all the email recipients can see who was "blind copied" on the message.
Give it a try - send yourself or a friend an email and bcc someone else (or yourself). Now open up the message in Hotmail from a desktop browser. Click the little carrot that expands the details on the recipients and you'll see that your BCC folks displayed along side the other recipients. I've tested this sending it to a Gmail address as well, so it doesn't appear to be an internal Hotmail to Hotmail issue.
Please test it out and let me know if you are / aren't able to reproduce the issue. I've verified it on two different Hotmail accounts with two different iPhones at this point.
At the very least, everyone should be aware of this until they fix the issue.